805836012 has 24 divisors (see below), whose sum is σ = 1881094656. Its totient is φ = 268496208.

The previous prime is 805836007. The next prime is 805836043. The reversal of 805836012 is 210638508.

It is a happy 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, 17313 + ... + 43719.

It is an arithmetic number, because the mean of its divisors is an integer number (78378944).

Almost surely, 2^805836012 is an apocalyptic number.

It is an amenable number.

805836012 is an abundant number, since it is smaller than the sum of its proper divisors (1075258644).

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

805836012 is a wasteful number, since it uses less digits than its factorization.

805836012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28957 (or 28955 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 805836012 is about 28387.2508707694. The cubic root of 805836012 is about 930.5696637043.

The spelling of 805836012 in words is "eight hundred five million, eight hundred thirty-six thousand, twelve".