3694664 has 32 divisors (see below), whose sum is σ = 7392000. Its totient is φ = 1726272.

The previous prime is 3694643. The next prime is 3694667. The reversal of 3694664 is 4664963.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16457 + ... + 16679.

It is an arithmetic number, because the mean of its divisors is an integer number (231000).

Almost surely, 2^3694664 is an apocalyptic number.

It is an amenable number.

3694664 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3694664 is a wasteful number, since it uses less digits than its factorization.

3694664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 353 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 3694664 is about 1922.1508785733. The cubic root of 3694664 is about 154.5936494755.

Subtracting 3694664 from its reverse (4664963), we obtain a cube (970299 = 99³).

The spelling of 3694664 in words is "three million, six hundred ninety-four thousand, six hundred sixty-four".