518794 has 4 divisors (see below), whose sum is σ = 778194. Its totient is φ = 259396.

The previous prime is 518779. The next prime is 518801. The reversal of 518794 is 497815.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497815 = 5 ⋅99563.

It can be written as a sum of positive squares in only one way, i.e., 511225 + 7569 = 715^2 + 87^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 129697 + ... + 129700.

2⁵¹⁸⁷⁹⁴ is an apocalyptic number.

518794 is a deficient number, since it is larger than the sum of its proper divisors (259400).

518794 is a wasteful number, since it uses less digits than its factorization.

518794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259399.

The product of its digits is 10080, while the sum is 34.

The square root of 518794 is about 720.2735591426. The cubic root of 518794 is about 80.3523004442.

It can be divided in two parts, 5187 and 94, that multiplied together give a triangular number (487578 = T₉₈₇).

The spelling of 518794 in words is "five hundred eighteen thousand, seven hundred ninety-four".