9028172 has 12 divisors (see below), whose sum is σ = 15851976. Its totient is φ = 4499040.

The previous prime is 9028141. The next prime is 9028181. The reversal of 9028172 is 2718209.

It is a happy number.

It is a super-3 number, since 3×9028172³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354 + ... + 4857.

It is an arithmetic number, because the mean of its divisors is an integer number (1320998).

Almost surely, 2^9028172 is an apocalyptic number.

It is an amenable number.

9028172 is a deficient number, since it is larger than the sum of its proper divisors (6823804).

9028172 is a wasteful number, since it uses less digits than its factorization.

9028172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528 (or 7526 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 9028172 is about 3004.6916647137. The cubic root of 9028172 is about 208.2251937266.

The spelling of 9028172 in words is "nine million, twenty-eight thousand, one hundred seventy-two".