3631664 has 20 divisors (see below), whose sum is σ = 7067256. Its totient is φ = 1807872.

The previous prime is 3631637. The next prime is 3631703. The reversal of 3631664 is 4661363.

3631664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5327 + ... + 5969.

Almost surely, 2^3631664 is an apocalyptic number.

It is an amenable number.

3631664 is a deficient number, since it is larger than the sum of its proper divisors (3435592).

3631664 is a wasteful number, since it uses less digits than its factorization.

3631664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 998 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 3631664 is about 1905.6925250417. The cubic root of 3631664 is about 153.7099166226.

The spelling of 3631664 in words is "three million, six hundred thirty-one thousand, six hundred sixty-four".