518394 has 8 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 172796.

The previous prime is 518389. The next prime is 518411. The reversal of 518394 is 493815.

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

518394 is an admirable number.

It is an unprimeable number.

518394 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, 43194 + ... + 43205.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2⁵¹⁸³⁹⁴ is an apocalyptic number.

518394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

518394 is a wasteful number, since it uses less digits than its factorization.

518394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86404.

The product of its digits is 4320, while the sum is 30.

The square root of 518394 is about 719.9958333213. The cubic root of 518394 is about 80.3316440860.

The spelling of 518394 in words is "five hundred eighteen thousand, three hundred ninety-four".