518942 has 8 divisors (see below), whose sum is σ = 824256. Its totient is φ = 244192.

The previous prime is 518933. The next prime is 518953. The reversal of 518942 is 249815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

518942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7598 + ... + 7665.

It is an arithmetic number, because the mean of its divisors is an integer number (103032).

2⁵¹⁸⁹⁴² is an apocalyptic number.

518942 is a deficient number, since it is larger than the sum of its proper divisors (305314).

518942 is a wasteful number, since it uses less digits than its factorization.

518942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15282.

The product of its digits is 2880, while the sum is 29.

The square root of 518942 is about 720.3762905593. The cubic root of 518942 is about 80.3599406057.

The spelling of 518942 in words is "five hundred eighteen thousand, nine hundred forty-two".