920979 has 12 divisors (see below), whose sum is σ = 1373632. Its totient is φ = 594000.

The previous prime is 920971. The next prime is 920999. The reversal of 920979 is 979029.

920979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 920979 - 2³ = 920971 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920979.

It is not an unprimeable number, because it can be changed into a prime (920971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1372 + ... + 1929.

2⁹²⁰⁹⁷⁹ is an apocalyptic number.

920979 is a deficient number, since it is larger than the sum of its proper divisors (452653).

920979 is a wasteful number, since it uses less digits than its factorization.

920979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 920979 is about 959.6765079963. The cubic root of 920979 is about 97.2933691044.

The spelling of 920979 in words is "nine hundred twenty thousand, nine hundred seventy-nine".