879928 has 32 divisors (see below), whose sum is σ = 1987200. Its totient is φ = 356832.

The previous prime is 879919. The next prime is 879941. The reversal of 879928 is 829978.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

879928 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 7 ways as a sum of consecutive naturals, for example, 651 + ... + 1477.

It is an arithmetic number, because the mean of its divisors is an integer number (62100).

2⁸⁷⁹⁹²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 879928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993600).

879928 is an abundant number, since it is smaller than the sum of its proper divisors (1107272).

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

879928 is a wasteful number, since it uses less digits than its factorization.

879928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 855 counting only the distinct ones).

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

The square root of 879928 is about 938.0447750507. The cubic root of 879928 is about 95.8257835682.

The spelling of 879928 in words is "eight hundred seventy-nine thousand, nine hundred twenty-eight".