8579172 has 48 divisors (see below), whose sum is σ = 23112320. Its totient is φ = 2426112.

The previous prime is 8579167. The next prime is 8579173. The reversal of 8579172 is 2719758.

It is a self number, because there is not a number n which added to its sum of digits gives 8579172.

It is not an unprimeable number, because it can be changed into a prime (8579173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8688 + ... + 9624.

Almost surely, 2^8579172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8579172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11556160).

8579172 is an abundant number, since it is smaller than the sum of its proper divisors (14533148).

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

8579172 is a wasteful number, since it uses less digits than its factorization.

8579172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its digits is 35280, while the sum is 39.

The square root of 8579172 is about 2929.0223624957. The cubic root of 8579172 is about 204.7144308562.

The spelling of 8579172 in words is "eight million, five hundred seventy-nine thousand, one hundred seventy-two".