3656944 has 10 divisors (see below), whose sum is σ = 7085360. Its totient is φ = 1828464.

The previous prime is 3656923. The next prime is 3656953. The reversal of 3656944 is 4496563.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114264 + ... + 114295.

It is an arithmetic number, because the mean of its divisors is an integer number (708536).

Almost surely, 2^3656944 is an apocalyptic number.

It is an amenable number.

3656944 is a deficient number, since it is larger than the sum of its proper divisors (3428416).

3656944 is a wasteful number, since it uses less digits than its factorization.

3656944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228567 (or 228561 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 3656944 is about 1912.3137817837. The cubic root of 3656944 is about 154.0657503014.

The spelling of 3656944 in words is "three million, six hundred fifty-six thousand, nine hundred forty-four".