3905387402 has 16 divisors (see below), whose sum is σ = 6761238912. Its totient is φ = 1657165200.

The previous prime is 3905387389. The next prime is 3905387417. The reversal of 3905387402 is 2047835093.

It is a self number, because there is not a number n which added to its sum of digits gives 3905387402.

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, 1379558 + ... + 1382385.

It is an arithmetic number, because the mean of its divisors is an integer number (422577432).

Almost surely, 2^3905387402 is an apocalyptic number.

3905387402 is a deficient number, since it is larger than the sum of its proper divisors (2855851510).

3905387402 is a wasteful number, since it uses less digits than its factorization.

3905387402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762053.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 3905387402 is about 62493.0988349914. The cubic root of 3905387402 is about 1574.7853779275.

The spelling of 3905387402 in words is "three billion, nine hundred five million, three hundred eighty-seven thousand, four hundred two".