978760 has 16 divisors (see below), whose sum is σ = 2202300. Its totient is φ = 391488.

The previous prime is 978749. The next prime is 978773. The reversal of 978760 is 67879.

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 68644 = 954^2 + 262^2 .

It is a super-2 number, since 2×978760² = 1915942275200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12195 + ... + 12274.

2⁹⁷⁸⁷⁶⁰ is an apocalyptic number.

It is an amenable number.

978760 is an abundant number, since it is smaller than the sum of its proper divisors (1223540).

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

978760 is a wasteful number, since it uses less digits than its factorization.

978760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24480 (or 24476 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 978760 is about 989.3230008445. The cubic root of 978760 is about 99.2869273600.

The spelling of 978760 in words is "nine hundred seventy-eight thousand, seven hundred sixty".