8661976 has 16 divisors (see below), whose sum is σ = 17196840. Its totient is φ = 4076160.

The previous prime is 8661953. The next prime is 8661977. The reversal of 8661976 is 6791668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8661977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31710 + ... + 31981.

Almost surely, 2^8661976 is an apocalyptic number.

It is an amenable number.

8661976 is a deficient number, since it is larger than the sum of its proper divisors (8534864).

8661976 is a wasteful number, since it uses less digits than its factorization.

8661976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63714 (or 63710 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 8661976 is about 2943.1235108299. The cubic root of 8661976 is about 205.3709405265.

The spelling of 8661976 in words is "eight million, six hundred sixty-one thousand, nine hundred seventy-six".