It's about one-one-hundred-fiftieth the number of Seats in The Colosseum.
In other words, the count of Seats in The Colosseum is 100 times 390.(a.k.a. The Coliseum, a.k.a. Flavian Amphitheatre, a.k.a. Amphitheatrum Flavium, a.k.a. Anfiteatro Flavio or Colosseo) (Rome) (estimated)
Built between 70 and 80 AD, The Colosseum was a central attraction of Rome, capable of seating 50,000 spectators for various events including plays, war reenactments, and gladiatorial matches. The structure was estimated to require 100,000 cu. m of stone to construct. It remains the largest amphitheater in the world.
It's about one-ninety-fifth the number of Seats in Fenway Park.
In other words, 390 is 0.01052 times the count of Seats in Fenway Park, and the count of Seats in Fenway Park is 95.057 times that amount.(2013 figures; daytime capacity) (a.k.a. The Cathedral of Boston) (Boston, Massachusetts)
Fenway Park, the home of the Boston Red Sox baseball team, can accommodate 37,071 spectators when configured for daytime seating. Fenway Park holds the record for most consecutive sellout games, with a streak of 794 sellouts that ended in 2013. This figure is a dramatic turnaround from the attendance in 1965, which was at times as low as just 500 people.
It's about one-ninetieth the number of McDonald's Locations in the World.
In other words, the count of McDonald's Locations in the World is 91 times 390.(2015 figures) (approximate)
Operating in 119 countries, there are currently 36,000 McDonald's locations worldwide. From 1955 thru 1993, many McDonald's locations advertised the number in billions of hamburgers sold on their external signs, but abandoned theses updates after the figure passed 100 billion.
It's about one-twenty-fifth the number of Benches in Central Park.
In other words, the count of Benches in Central Park is 30 times 390.(Manhattan, New York City, New York)
It's about one-twenty-fifth the number of Written Characters in the Chinese Language.
In other words, the count of Written Characters in the Chinese Language is 23.980 times 390.(zhōngwén, 中文) (Hànzì, 汉字/漢字; Shuowen Jiezi count; distinct characters)
It's about one-twentieth the number of Blue Whales in the World.
In other words, the count of Blue Whales in the World is 22 times 390.(Balaenoptera musculus) (2002 estimates)
It's about one-fifteenth the number of Bishops in the Catholic Church.
In other words, 390 is 0.07287 times the count of Bishops in the Catholic Church, and the count of Bishops in the Catholic Church is 13.720 times that amount.(2015 figures; total Latin and Eastern Church figures; including Pope)
As of 2015, there are 5,352 bishops in the Catholic Church. These bishops supervise a total of 3,127 dioceses, archdioceses, and other administrative regions.