9172956 has 48 divisors (see below), whose sum is σ = 23281664. Its totient is φ = 2794176.

The previous prime is 9172949. The next prime is 9172957. The reversal of 9172956 is 6592719.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9172957) 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, 19581 + ... + 20043.

Almost surely, 2^9172956 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 9172956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11640832).

9172956 is an abundant number, since it is smaller than the sum of its proper divisors (14108708).

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

9172956 is a wasteful number, since it uses less digits than its factorization.

9172956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 608 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 9172956 is about 3028.6888252179. The cubic root of 9172956 is about 209.3323923398.

The spelling of 9172956 in words is "nine million, one hundred seventy-two thousand, nine hundred fifty-six".