879660 has 72 divisors (see below), whose sum is σ = 2782416. Its totient is φ = 233280.

The previous prime is 879653. The next prime is 879661. The reversal of 879660 is 66978.

879660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (879661) by changing a digit.

879660 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4770 + ... + 4950.

2⁸⁷⁹⁶⁶⁰ 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 879660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391208).

879660 is an abundant number, since it is smaller than the sum of its proper divisors (1902756).

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

879660 is a wasteful number, since it uses less digits than its factorization.

879660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 879660 is about 937.9019138481. The cubic root of 879660 is about 95.8160540155.

The spelling of 879660 in words is "eight hundred seventy-nine thousand, six hundred sixty".