3656928 has 48 divisors (see below), whose sum is σ = 10475136. Its totient is φ = 1107840.

The previous prime is 3656923. The next prime is 3656953. The reversal of 3656928 is 8296563.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656923) 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, 676 + ... + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (218232).

Almost surely, 2^3656928 is an apocalyptic number.

It is an amenable number.

3656928 is an abundant number, since it is smaller than the sum of its proper divisors (6818208).

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

3656928 is a wasteful number, since it uses less digits than its factorization.

3656928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487 (or 3479 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 3656928 is about 1912.3095983653. The cubic root of 3656928 is about 154.0655256096.

The spelling of 3656928 in words is "three million, six hundred fifty-six thousand, nine hundred twenty-eight".