3656984764 has 6 divisors (see below), whose sum is σ = 6399723344. Its totient is φ = 1828492380.

The previous prime is 3656984753. The next prime is 3656984887. The reversal of 3656984764 is 4674896563.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3656984699 and 3656984708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457123092 + ... + 457123099.

Almost surely, 2^3656984764 is an apocalyptic number.

It is an amenable number.

3656984764 is a deficient number, since it is larger than the sum of its proper divisors (2742738580).

3656984764 is a wasteful number, since it uses less digits than its factorization.

3656984764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914246195 (or 914246193 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 58.

The square root of 3656984764 is about 60473.0085575375. The cubic root of 3656984764 is about 1540.6632275686.

The spelling of 3656984764 in words is "three billion, six hundred fifty-six million, nine hundred eighty-four thousand, seven hundred sixty-four".