916172 has 12 divisors (see below), whose sum is σ = 1611960. Its totient is φ = 455616.

The previous prime is 916169. The next prime is 916177. The reversal of 916172 is 271619.

It is a super-2 number, since 2×916172² = 1678742267168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (916177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404 + ... + 1412.

It is an arithmetic number, because the mean of its divisors is an integer number (134330).

2⁹¹⁶¹⁷² is an apocalyptic number.

It is an amenable number.

916172 is a deficient number, since it is larger than the sum of its proper divisors (695788).

916172 is a wasteful number, since it uses less digits than its factorization.

916172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1238 counting only the distinct ones).

The product of its digits is 756, while the sum is 26.

The square root of 916172 is about 957.1687416543. The cubic root of 916172 is about 97.1238012548.

It can be divided in two parts, 91617 and 2, that added together give a palindrome (91619).

The spelling of 916172 in words is "nine hundred sixteen thousand, one hundred seventy-two".