9113172 has 12 divisors (see below), whose sum is σ = 21264096. Its totient is φ = 3037720.

The previous prime is 9113171. The next prime is 9113189. The reversal of 9113172 is 2713119.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9113171) 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, 379704 + ... + 379727.

It is an arithmetic number, because the mean of its divisors is an integer number (1772008).

Almost surely, 2^9113172 is an apocalyptic number.

It is an amenable number.

9113172 is an abundant number, since it is smaller than the sum of its proper divisors (12150924).

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

9113172 is a wasteful number, since it uses less digits than its factorization.

9113172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759438 (or 759436 counting only the distinct ones).

The product of its digits is 378, while the sum is 24.

The square root of 9113172 is about 3018.8030740676. The cubic root of 9113172 is about 208.8766317859.

The spelling of 9113172 in words is "nine million, one hundred thirteen thousand, one hundred seventy-two".