518648 has 16 divisors (see below), whose sum is σ = 1047480. Its totient is φ = 239328.

The previous prime is 518621. The next prime is 518657. The reversal of 518648 is 846815.

518648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable 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, 2390 + ... + 2597.

2⁵¹⁸⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

518648 is an abundant number, since it is smaller than the sum of its proper divisors (528832).

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

518648 is a wasteful number, since it uses less digits than its factorization.

518648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006 (or 5002 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 518648 is about 720.1722016296. The cubic root of 518648 is about 80.3447621043.

The spelling of 518648 in words is "five hundred eighteen thousand, six hundred forty-eight".