3808656 has 30 divisors (see below), whose sum is σ = 10659350. Its totient is φ = 1269504.

The previous prime is 3808591. The next prime is 3808667. The reversal of 3808656 is 6568083.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 1299600 = 1584^2 + 1140^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3808656.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13081 + ... + 13368.

Almost surely, 2^3808656 is an apocalyptic number.

3808656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3808656 is an abundant number, since it is smaller than the sum of its proper divisors (6850694).

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

3808656 is a wasteful number, since it uses less digits than its factorization.

3808656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26463 (or 26454 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 3808656 is about 1951.5778231984. The cubic root of 3808656 is about 156.1674730058.

The spelling of 3808656 in words is "three million, eight hundred eight thousand, six hundred fifty-six".