518808 has 16 divisors (see below), whose sum is σ = 1297080. Its totient is φ = 172928.

The previous prime is 518807. The next prime is 518809. The reversal of 518808 is 808815.

It is an interprime number because it is at equal distance from previous prime (518807) and next prime (518809).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518801) 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 3 ways as a sum of consecutive naturals, for example, 10785 + ... + 10832.

2⁵¹⁸⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

518808 is an abundant number, since it is smaller than the sum of its proper divisors (778272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

518808 is a wasteful number, since it uses less digits than its factorization.

518808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21626 (or 21622 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 518808 is about 720.2832776068. The cubic root of 518808 is about 80.3530232244.

It can be divided in two parts, 518 and 808, that added together give a triangular number (1326 = T₅₁).

The spelling of 518808 in words is "five hundred eighteen thousand, eight hundred eight".