3664556 has 24 divisors (see below), whose sum is σ = 7583520. Its totient is φ = 1516032.

The previous prime is 3664547. The next prime is 3664561. The reversal of 3664556 is 6554663.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 1445 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (315980).

Almost surely, 2^3664556 is an apocalyptic number.

It is an amenable number.

3664556 is an abundant number, since it is smaller than the sum of its proper divisors (3918964).

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

3664556 is a wasteful number, since it uses less digits than its factorization.

3664556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553 (or 4551 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 3664556 is about 1914.3030063185. The cubic root of 3664556 is about 154.1725731687.

The spelling of 3664556 in words is "three million, six hundred sixty-four thousand, five hundred fifty-six".