872922 has 8 divisors (see below), whose sum is σ = 1745856. Its totient is φ = 290972.

The previous prime is 872863. The next prime is 872923. The reversal of 872922 is 229278.

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

872922 is an admirable number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 872922.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 872922.

It is not an unprimeable number, because it can be changed into a prime (872923) by changing a digit.

872922 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 72738 + ... + 72749.

It is an arithmetic number, because the mean of its divisors is an integer number (218232).

2⁸⁷²⁹²² is an apocalyptic number.

872922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

872922 is a wasteful number, since it uses less digits than its factorization.

872922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145492.

The product of its digits is 4032, while the sum is 30.

The square root of 872922 is about 934.3029487270. The cubic root of 872922 is about 95.5707834834.

The spelling of 872922 in words is "eight hundred seventy-two thousand, nine hundred twenty-two".