3688252656 has 40 divisors (see below), whose sum is σ = 10394168064. Its totient is φ = 1117652160.

The previous prime is 3688252639. The next prime is 3688252661. The reversal of 3688252656 is 6562528863.

It is a junction number, because it is equal to n+sod(n) for n = 3688252599 and 3688252608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492136 + ... + 3493191.

Almost surely, 2^3688252656 is an apocalyptic number.

It is an amenable number.

3688252656 is an abundant number, since it is smaller than the sum of its proper divisors (6705915408).

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

3688252656 is a wasteful number, since it uses less digits than its factorization.

3688252656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985349 (or 6985343 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The square root of 3688252656 is about 60730.9859626863. The cubic root of 3688252656 is about 1545.0417567081.

The spelling of 3688252656 in words is "three billion, six hundred eighty-eight million, two hundred fifty-two thousand, six hundred fifty-six".