494018 has 18 divisors (see below), whose sum is σ = 874323. Its totient is φ = 208740.

The previous prime is 493993. The next prime is 494023. The reversal of 494018 is 810494.

It can be written as a sum of positive squares in only one way, i.e., 247009 + 247009 = 497^2 + 497^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=497.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494018.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6923 + ... + 6993.

2⁴⁹⁴⁰¹⁸ is an apocalyptic number.

494018 is a deficient number, since it is larger than the sum of its proper divisors (380305).

494018 is an equidigital number, since it uses as much as digits as its factorization.

494018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 494018 is about 702.8641404994. The cubic root of 494018 is about 79.0522540582.

Multiplying 494018 by its product of nonzero digits (1152), we get a square (569108736 = 23856²).

The spelling of 494018 in words is "four hundred ninety-four thousand, eighteen".