3930392872 has 16 divisors (see below), whose sum is σ = 8422270560. Its totient is φ = 1684454064.

The previous prime is 3930392867. The next prime is 3930392897. The reversal of 3930392872 is 2782930393.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35092738 + ... + 35092849.

It is an arithmetic number, because the mean of its divisors is an integer number (526391910).

Almost surely, 2^3930392872 is an apocalyptic number.

It is an amenable number.

3930392872 is an abundant number, since it is smaller than the sum of its proper divisors (4491877688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3930392872 is a wasteful number, since it uses less digits than its factorization.

3930392872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70185600 (or 70185596 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 3930392872 is about 62692.8454610253. The cubic root of 3930392872 is about 1578.1392494126.

It can be divided in two parts, 39303928 and 72, that added together give a cube (39304000 = 340³).

The spelling of 3930392872 in words is "three billion, nine hundred thirty million, three hundred ninety-two thousand, eight hundred seventy-two".