9172044 has 72 divisors (see below), whose sum is σ = 28068768. Its totient is φ = 2465280.

The previous prime is 9172043. The next prime is 9172049. The reversal of 9172044 is 4402719.

It is a happy number.

9172044 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9172044² = 168252782275872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9171999 and 9172017.

It is not an unprimeable number, because it can be changed into a prime (9172043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3214 + ... + 5354.

It is an arithmetic number, because the mean of its divisors is an integer number (389844).

Almost surely, 2^9172044 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 9172044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14034384).

9172044 is an abundant number, since it is smaller than the sum of its proper divisors (18896724).

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

9172044 is a wasteful number, since it uses less digits than its factorization.

9172044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 9172044 is about 3028.5382612739. The cubic root of 9172044 is about 209.3254546464.

The spelling of 9172044 in words is "nine million, one hundred seventy-two thousand, forty-four".