3656044 has 24 divisors (see below), whose sum is σ = 7511840. Its totient is φ = 1524096.

The previous prime is 3656039. The next prime is 3656069. The reversal of 3656044 is 4406563.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam 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 in 7 ways as a sum of consecutive naturals, for example, 729 + ... + 2800.

Almost surely, 2^3656044 is an apocalyptic number.

It is an amenable number.

3656044 is an abundant number, since it is smaller than the sum of its proper divisors (3855796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3656044 is a wasteful number, since it uses less digits than its factorization.

3656044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577 (or 3575 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3656044 is about 1912.0784502734. The cubic root of 3656044 is about 154.0531103711.

The spelling of 3656044 in words is "three million, six hundred fifty-six thousand, forty-four".