3904256020 has 48 divisors (see below), whose sum is σ = 9397180800. Its totient is φ = 1334749824.

The previous prime is 3904256009. The next prime is 3904256039. The reversal of 3904256020 is 206524093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8907 + ... + 88813.

It is an arithmetic number, because the mean of its divisors is an integer number (195774600).

Almost surely, 2^3904256020 is an apocalyptic number.

It is an amenable number.

3904256020 is an abundant number, since it is smaller than the sum of its proper divisors (5492924780).

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

3904256020 is a wasteful number, since it uses less digits than its factorization.

3904256020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80272 (or 80270 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3904256020 is about 62484.0461237907. The cubic root of 3904256020 is about 1574.6332926391.

The spelling of 3904256020 in words is "three billion, nine hundred four million, two hundred fifty-six thousand, twenty".