9172442 has 8 divisors (see below), whose sum is σ = 13778100. Its totient is φ = 4579744.

The previous prime is 9172441. The next prime is 9172451. The reversal of 9172442 is 2442719.

It can be written as a sum of positive squares in 2 ways, for example, as 9114361 + 58081 = 3019^2 + 241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9172441) 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, 1217 + ... + 4452.

Almost surely, 2^9172442 is an apocalyptic number.

9172442 is a deficient number, since it is larger than the sum of its proper divisors (4605658).

9172442 is a wasteful number, since it uses less digits than its factorization.

9172442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480.

The product of its digits is 4032, while the sum is 29.

The square root of 9172442 is about 3028.6039688279. The cubic root of 9172442 is about 209.3284823367.

The spelling of 9172442 in words is "nine million, one hundred seventy-two thousand, four hundred forty-two".