8661936 has 40 divisors (see below), whose sum is σ = 22522864. Its totient is φ = 2868480.

The previous prime is 8661901. The next prime is 8661941. The reversal of 8661936 is 6391668.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8661894 and 8661903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190 + ... + 9186.

Almost surely, 2^8661936 is an apocalyptic number.

It is an amenable number.

8661936 is an abundant number, since it is smaller than the sum of its proper divisors (13860928).

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

8661936 is a wasteful number, since it uses less digits than its factorization.

8661936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1183 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 8661936 is about 2943.1167153207. The cubic root of 8661936 is about 205.3706243997.

The spelling of 8661936 in words is "eight million, six hundred sixty-one thousand, nine hundred thirty-six".