3686797656 has 48 divisors (see below), whose sum is σ = 10082039760. Its totient is φ = 1216998720.

The previous prime is 3686797651. The next prime is 3686797657. The reversal of 3686797656 is 6567976863.

It is a junction number, because it is equal to n+sod(n) for n = 3686797593 and 3686797602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686797651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241155 + ... + 255986.

It is an arithmetic number, because the mean of its divisors is an integer number (210042495).

Almost surely, 2^3686797656 is an apocalyptic number.

3686797656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3686797656 is an abundant number, since it is smaller than the sum of its proper divisors (6395242104).

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

3686797656 is a wasteful number, since it uses less digits than its factorization.

3686797656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497256 (or 497249 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The square root of 3686797656 is about 60719.0057230848. The cubic root of 3686797656 is about 1544.8385591830.

The spelling of 3686797656 in words is "three billion, six hundred eighty-six million, seven hundred ninety-seven thousand, six hundred fifty-six".