978966 has 20 divisors (see below), whose sum is σ = 2193972. Its totient is φ = 326268.

The previous prime is 978947. The next prime is 978973. The reversal of 978966 is 669879.

978966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (163296) is a multiple of the sum of its prime divisors (6048).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2860 + ... + 3183.

2⁹⁷⁸⁹⁶⁶ is an apocalyptic number.

978966 is an abundant number, since it is smaller than the sum of its proper divisors (1215006).

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

978966 is a wasteful number, since it uses less digits than its factorization.

978966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057 (or 6048 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 978966 is about 989.4271069665. The cubic root of 978966 is about 99.2938925242.

The spelling of 978966 in words is "nine hundred seventy-eight thousand, nine hundred sixty-six".