818334986 has 24 divisors (see below), whose sum is σ = 1489998240. Its totient is φ = 335465592.

The previous prime is 818334961. The next prime is 818334989. The reversal of 818334986 is 689433818.

It is not an unprimeable number, because it can be changed into a prime (818334989) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 179276 + ... + 183783.

It is an arithmetic number, because the mean of its divisors is an integer number (62083260).

Almost surely, 2^818334986 is an apocalyptic number.

818334986 is a deficient number, since it is larger than the sum of its proper divisors (671663254).

818334986 is a wasteful number, since it uses less digits than its factorization.

818334986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363098 (or 363091 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 818334986 is about 28606.5549481233. The cubic root of 818334986 is about 935.3562221840.

The spelling of 818334986 in words is "eight hundred eighteen million, three hundred thirty-four thousand, nine hundred eighty-six".