3656340604 has 18 divisors (see below), whose sum is σ = 7443265200. Its totient is φ = 1567003032.

The previous prime is 3656340587. The next prime is 3656340643. The reversal of 3656340604 is 4060436563.

It is a super-2 number, since 2×3656340604² = 26737653224918169632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9327204 + ... + 9327595.

Almost surely, 2^3656340604 is an apocalyptic number.

It is an amenable number.

3656340604 is an abundant number, since it is smaller than the sum of its proper divisors (3786924596).

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

3656340604 is a wasteful number, since it uses less digits than its factorization.

3656340604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18654817 (or 18654808 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 3656340604 is about 60467.6823104706. The cubic root of 3656340604 is about 1540.5727621565.

The spelling of 3656340604 in words is "three billion, six hundred fifty-six million, three hundred forty thousand, six hundred four".