3901185872 has 20 divisors (see below), whose sum is σ = 7762833876. Its totient is φ = 1897873920.

The previous prime is 3901185863. The next prime is 3901185901. The reversal of 3901185872 is 2785811093.

3901185872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3302111296 + 599074576 = 57464^2 + 24476^2 .

It is a congruent 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, 3294329 + ... + 3295512.

Almost surely, 2^3901185872 is an apocalyptic number.

It is an amenable number.

3901185872 is a deficient number, since it is larger than the sum of its proper divisors (3861648004).

3901185872 is a wasteful number, since it uses less digits than its factorization.

3901185872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589886 (or 6589880 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 3901185872 is about 62459.4738370409. The cubic root of 3901185872 is about 1574.2204418967.

The spelling of 3901185872 in words is "three billion, nine hundred one million, one hundred eighty-five thousand, eight hundred seventy-two".