3659664 has 20 divisors (see below), whose sum is σ = 9454256. Its totient is φ = 1219872.

The previous prime is 3659659. The next prime is 3659683. The reversal of 3659664 is 4669563.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38074 + ... + 38169.

Almost surely, 2^3659664 is an apocalyptic number.

It is an amenable number.

3659664 is an abundant number, since it is smaller than the sum of its proper divisors (5794592).

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

3659664 is a wasteful number, since it uses less digits than its factorization.

3659664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76254 (or 76248 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 3659664 is about 1913.0248299486. The cubic root of 3659664 is about 154.1039383792.

The spelling of 3659664 in words is "three million, six hundred fifty-nine thousand, six hundred sixty-four".