3904403688 has 64 divisors (see below), whose sum is σ = 11138712000. Its totient is φ = 1266290496.

The previous prime is 3904403609. The next prime is 3904403707. The reversal of 3904403688 is 8863044093.

3904403688 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 15 ways as a sum of consecutive naturals, for example, 236278 + ... + 252261.

It is an arithmetic number, because the mean of its divisors is an integer number (174042375).

Almost surely, 2^3904403688 is an apocalyptic number.

It is an amenable number.

3904403688 is an abundant number, since it is smaller than the sum of its proper divisors (7234308312).

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

3904403688 is a wasteful number, since it uses less digits than its factorization.

3904403688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488591 (or 488581 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 3904403688 is about 62485.2277582470. The cubic root of 3904403688 is about 1574.6531444808.

The spelling of 3904403688 in words is "three billion, nine hundred four million, four hundred three thousand, six hundred eighty-eight".