879858 has 24 divisors (see below), whose sum is σ = 2179008. Its totient is φ = 251352.

The previous prime is 879839. The next prime is 879859. The reversal of 879858 is 858978.

It is a Curzon number.

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 879858.

It is not an unprimeable number, because it can be changed into a prime (879859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3366 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (90792).

2⁸⁷⁹⁸⁵⁸ is an apocalyptic number.

879858 is an abundant number, since it is smaller than the sum of its proper divisors (1299150).

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

879858 is a wasteful number, since it uses less digits than its factorization.

879858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998 (or 6995 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 879858 is about 938.0074626569. The cubic root of 879858 is about 95.8232424578.

The spelling of 879858 in words is "eight hundred seventy-nine thousand, eight hundred fifty-eight".