494818 has 4 divisors (see below), whose sum is σ = 742230. Its totient is φ = 247408.

The previous prime is 494803. The next prime is 494843. The reversal of 494818 is 818494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 267289 + 227529 = 517^2 + 477^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123703 + ... + 123706.

2⁴⁹⁴⁸¹⁸ is an apocalyptic number.

494818 is a deficient number, since it is larger than the sum of its proper divisors (247412).

494818 is a wasteful number, since it uses less digits than its factorization.

494818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247411.

The product of its digits is 9216, while the sum is 34.

The square root of 494818 is about 703.4330103144. The cubic root of 494818 is about 79.0949027718.

The spelling of 494818 in words is "four hundred ninety-four thousand, eight hundred eighteen".