3660656 has 20 divisors (see below), whose sum is σ = 7161000. Its totient is φ = 1812672.

The previous prime is 3660653. The next prime is 3660667. The reversal of 3660656 is 6560663.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (358050).

Almost surely, 2^3660656 is an apocalyptic number.

It is an amenable number.

3660656 is a deficient number, since it is larger than the sum of its proper divisors (3500344).

3660656 is a wasteful number, since it uses less digits than its factorization.

3660656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2210 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 3660656 is about 1913.2840876357. The cubic root of 3660656 is about 154.1178610869.

The spelling of 3660656 in words is "three million, six hundred sixty thousand, six hundred fifty-six".