3952656 has 30 divisors (see below), whose sum is σ = 11062350. Its totient is φ = 1317504.

The previous prime is 3952651. The next prime is 3952679. The reversal of 3952656 is 6562593.

3952656 is a `hidden beast` number, since 395 + 265 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 266256 = 1920^2 + 516^2 .

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3952656.

It is not an unprimeable number, because it can be changed into a prime (3952651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13581 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (368745).

Almost surely, 2^3952656 is an apocalyptic number.

3952656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3952656 is an abundant number, since it is smaller than the sum of its proper divisors (7109694).

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

3952656 is a wasteful number, since it uses less digits than its factorization.

3952656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27463 (or 27454 counting only the distinct ones).

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

The square root of 3952656 is about 1988.1287684655. The cubic root of 3952656 is about 158.1113352979. Note that the first 3 decimals are identical.

The spelling of 3952656 in words is "three million, nine hundred fifty-two thousand, six hundred fifty-six".