879918 has 32 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 260736.

The previous prime is 879917. The next prime is 879919. The reversal of 879918 is 819978.

It is an interprime number because it is at equal distance from previous prime (879917) and next prime (879919).

It is a self number, because there is not a number n which added to its sum of digits gives 879918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2⁸⁷⁹⁹¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 879918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982800).

879918 is an abundant number, since it is smaller than the sum of its proper divisors (1085682).

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

879918 is a wasteful number, since it uses less digits than its factorization.

879918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its digits is 36288, while the sum is 42.

The square root of 879918 is about 938.0394447996. The cubic root of 879918 is about 95.8254205607.

The spelling of 879918 in words is "eight hundred seventy-nine thousand, nine hundred eighteen".