979587 has 32 divisors (see below), whose sum is σ = 1704960. Its totient is φ = 544320.

The previous prime is 979567. The next prime is 979651. The reversal of 979587 is 785979.

It is not a de Polignac number, because 979587 - 2¹¹ = 977539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (979567) 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 31 ways as a sum of consecutive naturals, for example, 13383 + ... + 13455.

It is an arithmetic number, because the mean of its divisors is an integer number (53280).

2⁹⁷⁹⁵⁸⁷ is an apocalyptic number.

979587 is a deficient number, since it is larger than the sum of its proper divisors (725373).

979587 is a wasteful number, since it uses less digits than its factorization.

979587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 154 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 979587 is about 989.7408751790. The cubic root of 979587 is about 99.3148835405.

It can be divided in two parts, 9795 and 87, that multiplied together give a triangular number (852165 = T₁₃₀₅).

The spelling of 979587 in words is "nine hundred seventy-nine thousand, five hundred eighty-seven".