3687664 has 10 divisors (see below), whose sum is σ = 7144880. Its totient is φ = 1843824.

The previous prime is 3687631. The next prime is 3687683. The reversal of 3687664 is 4667863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115224 + ... + 115255.

It is an arithmetic number, because the mean of its divisors is an integer number (714488).

Almost surely, 2^3687664 is an apocalyptic number.

It is an amenable number.

3687664 is a deficient number, since it is larger than the sum of its proper divisors (3457216).

3687664 is a wasteful number, since it uses less digits than its factorization.

3687664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230487 (or 230481 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 3687664 is about 1920.3291384552. The cubic root of 3687664 is about 154.4959554595.

The spelling of 3687664 in words is "three million, six hundred eighty-seven thousand, six hundred sixty-four".