878992 has 20 divisors (see below), whose sum is σ = 1719756. Its totient is φ = 435200.

The previous prime is 878989. The next prime is 879001. The reversal of 878992 is 299878.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 132496 = 864^2 + 364^2 .

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, 1992 + ... + 2392.

2⁸⁷⁸⁹⁹² is an apocalyptic number.

It is an amenable number.

878992 is a deficient number, since it is larger than the sum of its proper divisors (840764).

878992 is a wasteful number, since it uses less digits than its factorization.

878992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 540 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 878992 is about 937.5457322179. The cubic root of 878992 is about 95.7917941376.

The spelling of 878992 in words is "eight hundred seventy-eight thousand, nine hundred ninety-two".