927979 has 18 divisors (see below), whose sum is σ = 1123620. Its totient is φ = 763776.

The previous prime is 927973. The next prime is 928001. The reversal of 927979 is 979729.

It is not a de Polignac number, because 927979 - 2¹⁵ = 895211 is a prime.

It is a super-2 number, since 2×927979² = 1722290048882, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (71442) is a multiple of the sum of its prime divisors (49).

It is not an unprimeable number, because it can be changed into a prime (927973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48832 + ... + 48850.

2⁹²⁷⁹⁷⁹ is an apocalyptic number.

927979 is a deficient number, since it is larger than the sum of its proper divisors (195641).

927979 is a wasteful number, since it uses less digits than its factorization.

927979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 49 counting only the distinct ones).

The product of its digits is 71442, while the sum is 43.

The square root of 927979 is about 963.3166665225. The cubic root of 927979 is about 97.5392434618.

The spelling of 927979 in words is "nine hundred twenty-seven thousand, nine hundred seventy-nine".