3604656 has 40 divisors (see below), whose sum is σ = 10160064. Its totient is φ = 1092160.

The previous prime is 3604631. The next prime is 3604681. The reversal of 3604656 is 6564063.

3604656 = 320² + 321² + ... + 351².

It is an interprime number because it is at equal distance from previous prime (3604631) and next prime (3604681).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

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, 2886 + ... + 3941.

Almost surely, 2^3604656 is an apocalyptic number.

It is an amenable number.

3604656 is an abundant number, since it is smaller than the sum of its proper divisors (6555408).

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

3604656 is a wasteful number, since it uses less digits than its factorization.

3604656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849 (or 6843 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3604656 is about 1898.5931633712. The cubic root of 3604656 is about 153.3279309166.

The spelling of 3604656 in words is "three million, six hundred four thousand, six hundred fifty-six".