818969308 has 24 divisors (see below), whose sum is σ = 1450112832. Its totient is φ = 404673024.

The previous prime is 818969299. The next prime is 818969311. The reversal of 818969308 is 803969818.

818969308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163416 + ... + 168352.

It is an arithmetic number, because the mean of its divisors is an integer number (60421368).

Almost surely, 2^818969308 is an apocalyptic number.

It is an amenable number.

818969308 is a deficient number, since it is larger than the sum of its proper divisors (631143524).

818969308 is a wasteful number, since it uses less digits than its factorization.

818969308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 818969308 is about 28617.6398048476. The cubic root of 818969308 is about 935.5978362764.

It can be divided in two parts, 81896 and 9308, that added together give a square (91204 = 302²).

The spelling of 818969308 in words is "eight hundred eighteen million, nine hundred sixty-nine thousand, three hundred eight".