3664636 has 24 divisors (see below), whose sum is σ = 6812064. Its totient is φ = 1721280.

The previous prime is 3664631. The next prime is 3664649. The reversal of 3664636 is 6364663.

3664636 = T₂₃₅ + T₂₃₆ + ... + T₃₂₆.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5286 + ... + 5938.

It is an arithmetic number, because the mean of its divisors is an integer number (283836).

Almost surely, 2^3664636 is an apocalyptic number.

It is an amenable number.

3664636 is a deficient number, since it is larger than the sum of its proper divisors (3147428).

3664636 is a wasteful number, since it uses less digits than its factorization.

3664636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 739 counting only the distinct ones).

The product of its digits is 46656, while the sum is 34.

The square root of 3664636 is about 1914.3239015381. The cubic root of 3664636 is about 154.1736950614.

The spelling of 3664636 in words is "three million, six hundred sixty-four thousand, six hundred thirty-six".