800520928 has 48 divisors (see below), whose sum is σ = 1605607920. Its totient is φ = 392820736.

The previous prime is 800520907. The next prime is 800520947. The reversal of 800520928 is 829025008.

It is a junction number, because it is equal to n+sod(n) for n = 800520893 and 800520902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385878 + ... + 387946.

It is an arithmetic number, because the mean of its divisors is an integer number (33450165).

Almost surely, 2^800520928 is an apocalyptic number.

It is an amenable number.

800520928 is an abundant number, since it is smaller than the sum of its proper divisors (805086992).

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

800520928 is a wasteful number, since it uses less digits than its factorization.

800520928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 800520928 is about 28293.4785418831. The cubic root of 800520928 is about 928.5192174690.

The spelling of 800520928 in words is "eight hundred million, five hundred twenty thousand, nine hundred twenty-eight".