3664687 has 8 divisors (see below), whose sum is σ = 3967040. Its totient is φ = 3365280.

The previous prime is 3664681. The next prime is 3664691. The reversal of 3664687 is 7864663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3664687 - 2³ = 3664679 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664681) 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, 2362 + ... + 3592.

It is an arithmetic number, because the mean of its divisors is an integer number (495880).

Almost surely, 2^3664687 is an apocalyptic number.

3664687 is a deficient number, since it is larger than the sum of its proper divisors (302353).

3664687 is a wasteful number, since it uses less digits than its factorization.

3664687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

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

The square root of 3664687 is about 1914.3372221215. The cubic root of 3664687 is about 154.1744102595.

The spelling of 3664687 in words is "three million, six hundred sixty-four thousand, six hundred eighty-seven".