3656973228 has 24 divisors (see below), whose sum is σ = 8903935488. Its totient is φ = 1165991376.

The previous prime is 3656973197. The next prime is 3656973233. The reversal of 3656973228 is 8223796563.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6624676 + ... + 6625227.

It is an arithmetic number, because the mean of its divisors is an integer number (370997312).

Almost surely, 2^3656973228 is an apocalyptic number.

It is an amenable number.

3656973228 is an abundant number, since it is smaller than the sum of its proper divisors (5246962260).

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

3656973228 is a wasteful number, since it uses less digits than its factorization.

3656973228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13249933 (or 13249931 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The square root of 3656973228 is about 60472.9131760659. The cubic root of 3656973228 is about 1540.6616075537.

The spelling of 3656973228 in words is "three billion, six hundred fifty-six million, nine hundred seventy-three thousand, two hundred twenty-eight".