818289356 has 12 divisors (see below), whose sum is σ = 1516242168. Its totient is φ = 385077312.

The previous prime is 818289343. The next prime is 818289379. The reversal of 818289356 is 653982818.

It is an unprimeable 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, 6016766 + ... + 6016901.

It is an arithmetic number, because the mean of its divisors is an integer number (126353514).

Almost surely, 2^818289356 is an apocalyptic number.

It is an amenable number.

818289356 is a deficient number, since it is larger than the sum of its proper divisors (697952812).

818289356 is a wasteful number, since it uses less digits than its factorization.

818289356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12033688 (or 12033686 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 818289356 is about 28605.7573925250. The cubic root of 818289356 is about 935.3388368433.

The spelling of 818289356 in words is "eight hundred eighteen million, two hundred eighty-nine thousand, three hundred fifty-six".