805930872 has 16 divisors (see below), whose sum is σ = 2014827240. Its totient is φ = 268643616.

The previous prime is 805930831. The next prime is 805930889. The reversal of 805930872 is 278039508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16790203 + ... + 16790250.

Almost surely, 2^805930872 is an apocalyptic number.

It is an amenable number.

805930872 is an abundant number, since it is smaller than the sum of its proper divisors (1208896368).

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

805930872 is a wasteful number, since it uses less digits than its factorization.

805930872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33580462 (or 33580458 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 805930872 is about 28388.9216420772. The cubic root of 805930872 is about 930.6061766645.

The spelling of 805930872 in words is "eight hundred five million, nine hundred thirty thousand, eight hundred seventy-two".