8637968 has 20 divisors (see below), whose sum is σ = 16805100. Its totient is φ = 4301184.

The previous prime is 8637953. The next prime is 8637973. The reversal of 8637968 is 8697368.

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 4443664 = 2048^2 + 2108^2 .

It is a super-2 number, since 2×8637968² = 149228982338048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3458 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (840255).

Almost surely, 2^8637968 is an apocalyptic number.

It is an amenable number.

8637968 is a deficient number, since it is larger than the sum of its proper divisors (8167132).

8637968 is a wasteful number, since it uses less digits than its factorization.

8637968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234 (or 2228 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 8637968 is about 2939.0420207952. The cubic root of 8637968 is about 205.1810258996.

The spelling of 8637968 in words is "eight million, six hundred thirty-seven thousand, nine hundred sixty-eight".