868980 has 48 divisors (see below), whose sum is σ = 2782080. Its totient is φ = 198528.

The previous prime is 868957. The next prime is 868993. The reversal of 868980 is 89868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2⁸⁶⁸⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

868980 is an abundant number, since it is smaller than the sum of its proper divisors (1913100).

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

868980 is a wasteful number, since it uses less digits than its factorization.

868980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 868980 is about 932.1909675598. The cubic root of 868980 is about 95.4267047233.

The spelling of 868980 in words is "eight hundred sixty-eight thousand, nine hundred eighty".