979715 has 16 divisors (see below), whose sum is σ = 1313280. Its totient is φ = 695520.

The previous prime is 979709. The next prime is 979717. The reversal of 979715 is 517979.

It is not a de Polignac number, because 979715 - 2⁶ = 979651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (979717) 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 15 ways as a sum of consecutive naturals, for example, 2396 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2⁹⁷⁹⁷¹⁵ is an apocalyptic number.

979715 is a deficient number, since it is larger than the sum of its proper divisors (333565).

979715 is a wasteful number, since it uses less digits than its factorization.

979715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its digits is 19845, while the sum is 38.

The square root of 979715 is about 989.8055364565. The cubic root of 979715 is about 99.3192090884.

The spelling of 979715 in words is "nine hundred seventy-nine thousand, seven hundred fifteen".