8992172 has 24 divisors (see below), whose sum is σ = 18767616. Its totient is φ = 3685968.

The previous prime is 8992157. The next prime is 8992183. The reversal of 8992172 is 2712998.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6338 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (781984).

Almost surely, 2^8992172 is an apocalyptic number.

It is an amenable number.

8992172 is an abundant number, since it is smaller than the sum of its proper divisors (9775444).

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

8992172 is a wasteful number, since it uses less digits than its factorization.

8992172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13997 (or 13995 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 8992172 is about 2998.6950495174. The cubic root of 8992172 is about 207.9480577893.

The spelling of 8992172 in words is "eight million, nine hundred ninety-two thousand, one hundred seventy-two".