518879 has 4 divisors (see below), whose sum is σ = 520584. Its totient is φ = 517176.

The previous prime is 518867. The next prime is 518893. The reversal of 518879 is 978815.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 518879 - 2⁴ = 518863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257 + ... + 1050.

It is an arithmetic number, because the mean of its divisors is an integer number (130146).

2⁵¹⁸⁸⁷⁹ is an apocalyptic number.

518879 is a deficient number, since it is larger than the sum of its proper divisors (1705).

518879 is a wasteful number, since it uses less digits than its factorization.

518879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its digits is 20160, while the sum is 38.

The square root of 518879 is about 720.3325620850. The cubic root of 518879 is about 80.3566885524.

It can be divided in two parts, 5 and 18879, that multiplied together give a triangular number (94395 = T₄₃₄).

The spelling of 518879 in words is "five hundred eighteen thousand, eight hundred seventy-nine".