494782818 has 16 divisors (see below), whose sum is σ = 1010620800. Its totient is φ = 161418416.

The previous prime is 494782801. The next prime is 494782823. The reversal of 494782818 is 818287494.

It is a super-2 number, since 2×494782818² = 489620073976042248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876993 + ... + 877556.

It is an arithmetic number, because the mean of its divisors is an integer number (63163800).

Almost surely, 2^494782818 is an apocalyptic number.

494782818 is an abundant number, since it is smaller than the sum of its proper divisors (515837982).

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

494782818 is a wasteful number, since it uses less digits than its factorization.

494782818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754601.

The product of its digits is 1032192, while the sum is 51.

The square root of 494782818 is about 22243.7141233203. The cubic root of 494782818 is about 790.9302815471.

The spelling of 494782818 in words is "four hundred ninety-four million, seven hundred eighty-two thousand, eight hundred eighteen".