992979 has 40 divisors (see below), whose sum is σ = 1707552. Its totient is φ = 570240.

The previous prime is 992963. The next prime is 992983. The reversal of 992979 is 979299.

It is not a de Polignac number, because 992979 - 2⁴ = 992963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992179) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24199 + ... + 24239.

2⁹⁹²⁹⁷⁹ is an apocalyptic number.

992979 is the 533-rd nonagonal number.

992979 is a deficient number, since it is larger than the sum of its proper divisors (714573).

992979 is a wasteful number, since it uses less digits than its factorization.

992979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 80 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 992979 is about 996.4833164685. The cubic root of 992979 is about 99.7654168042.

The spelling of 992979 in words is "nine hundred ninety-two thousand, nine hundred seventy-nine".