3656885332 has 12 divisors (see below), whose sum is σ = 6405657300. Its totient is φ = 1826697536.

The previous prime is 3656885327. The next prime is 3656885357. The reversal of 3656885332 is 2335886563.

It can be written as a sum of positive squares in 2 ways, for example, as 2107360836 + 1549524496 = 45906^2 + 39364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431563 + ... + 439954.

It is an arithmetic number, because the mean of its divisors is an integer number (533804775).

Almost surely, 2^3656885332 is an apocalyptic number.

It is an amenable number.

3656885332 is a deficient number, since it is larger than the sum of its proper divisors (2748771968).

3656885332 is a wasteful number, since it uses less digits than its factorization.

3656885332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872570 (or 872568 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The square root of 3656885332 is about 60472.1864331033. The cubic root of 3656885332 is about 1540.6492640965.

The spelling of 3656885332 in words is "three billion, six hundred fifty-six million, eight hundred eighty-five thousand, three hundred thirty-two".