812083908 has 48 divisors (see below), whose sum is σ = 1980236160. Its totient is φ = 258534144.

The previous prime is 812083891. The next prime is 812083919. The reversal of 812083908 is 809380218.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221466 + ... + 225102.

It is an arithmetic number, because the mean of its divisors is an integer number (41254920).

Almost surely, 2^812083908 is an apocalyptic number.

It is an amenable number.

812083908 is an abundant number, since it is smaller than the sum of its proper divisors (1168152252).

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

812083908 is a wasteful number, since it uses less digits than its factorization.

812083908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 812083908 is about 28497.0859562868. The cubic root of 812083908 is about 932.9684729763.

The spelling of 812083908 in words is "eight hundred twelve million, eighty-three thousand, nine hundred eight".