3925656 has 48 divisors (see below), whose sum is σ = 12152400. Its totient is φ = 1121472.

The previous prime is 3925637. The next prime is 3925667. The reversal of 3925656 is 6565293.

3925656 is a `hidden beast` number, since 3 + 92 + 565 + 6 = 666.

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

3925656 is a modest number, since divided by 5656 gives 392 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 3925656.

It is a congruent number.

It is an unprimeable number.

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, 3391 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (253175).

Almost surely, 2^3925656 is an apocalyptic number.

3925656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3925656 is an abundant number, since it is smaller than the sum of its proper divisors (8226744).

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

3925656 is a wasteful number, since it uses less digits than its factorization.

3925656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808 (or 7801 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 3925656 is about 1981.3268281634. The cubic root of 3925656 is about 157.7505008427.

The spelling of 3925656 in words is "three million, nine hundred twenty-five thousand, six hundred fifty-six".