8607972 has 12 divisors (see below), whose sum is σ = 20085296. Its totient is φ = 2869320.

The previous prime is 8607971. The next prime is 8607997. The reversal of 8607972 is 2797068.

It is a tau number, because it is divible by the number of its divisors (12).

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 8607972.

It is not an unprimeable number, because it can be changed into a prime (8607971) 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, 358654 + ... + 358677.

Almost surely, 2^8607972 is an apocalyptic number.

It is an amenable number.

8607972 is an abundant number, since it is smaller than the sum of its proper divisors (11477324).

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

8607972 is a wasteful number, since it uses less digits than its factorization.

8607972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717338 (or 717336 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 8607972 is about 2933.9345595974. The cubic root of 8607972 is about 204.9432482206.

The spelling of 8607972 in words is "eight million, six hundred seven thousand, nine hundred seventy-two".