It's about 150 times the number of Countries in the European Union.
In other words, the count of Countries in the European Union is 0.0071 times 3,900.(a.k.a. EU) (2016 figures)
There are 28 member countries in the European Union, the latest member of which is Croatia. The EU is largely urban, with sixteen cities having a population of one million or more, and 75% of the population living in an urban area.
It's about one-one-hundred-fiftieth the number of Words in War and Peace.
In other words, 3,900 is 0.00664071 times the count of Words in War and Peace, and the count of Words in War and Peace is 150.5860 times that amount.(1869) (1968 Ann Dunnigan translation, New American Library)
First published in 1869, Leo Tolstoy\'s Tzarist Russian epic, War and Peace contains 587,287 words (in one of the popular English translations). The novel is the seventh-longest novel ever written in a Latin or Cyrillic alphabets.
It's about 250 times the number of Living Kings and Queens.
In other words, the count of Living Kings and Queens is 0.0038 times 3,900.(2015 figures) (distinct Monarchs)
It's about 450 times the number of Symphonies Composed by Beethoven.
In other words, 3,900 is 433.3333333330 times the count of Symphonies Composed by Beethoven, and the count of Symphonies Composed by Beethoven is 0.00230769230769 times that amount.(a.k.a. Ludwig van Beethoven)
It's about 800 times the number of Living U.S. Presidents.
In other words, the count of Living U.S. Presidents is 0.001 times 3,900.(a.k.a. Presidents of the United States; a.k.a. Presidents of the United States of America; a.k.a. POTUS), (2016 figures) (including current)
As of this writing, there are five living United States Presidents — President Carter, President Clinton, President Obama, and the two Presidents Bush. At no point in U.S. history have their been more than six (6) living presidents, this circumstance having occurred three times.
It's about one-one-thousandth the number of ATMs in the World.
In other words, the count of ATMs in the World is 1,000 times 3,900.(2015 figures) (approximate)
It's about 2,000 times the number of Escalators in the State of Wyoming.
In other words, the count of Escalators in the State of Wyoming is 0.0005 times 3,900.(2013 figures)