3913907872 has 48 divisors (see below), whose sum is σ = 8812746432. Its totient is φ = 1676160000.

The previous prime is 3913907867. The next prime is 3913907903. The reversal of 3913907872 is 2787093193.

3913907872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342247 + ... + 353497.

It is an arithmetic number, because the mean of its divisors is an integer number (183598884).

Almost surely, 2^3913907872 is an apocalyptic number.

3913907872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3913907872 is an abundant number, since it is smaller than the sum of its proper divisors (4898838560).

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

3913907872 is a wasteful number, since it uses less digits than its factorization.

3913907872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821 (or 12813 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 3913907872 is about 62561.2329801771. The cubic root of 3913907872 is about 1575.9297940846.

The spelling of 3913907872 in words is "three billion, nine hundred thirteen million, nine hundred seven thousand, eight hundred seventy-two".