810481928 has 16 divisors (see below), whose sum is σ = 1528146000. Its totient is φ = 402976336.

The previous prime is 810481927. The next prime is 810481933. The reversal of 810481928 is 829184018.

It is a super-2 number, since 2×810481928² = 1313761911229194368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (810481927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281558 + ... + 284421.

It is an arithmetic number, because the mean of its divisors is an integer number (95509125).

Almost surely, 2^810481928 is an apocalyptic number.

It is an amenable number.

810481928 is a deficient number, since it is larger than the sum of its proper divisors (717664072).

810481928 is a wasteful number, since it uses less digits than its factorization.

810481928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566164 (or 566160 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 810481928 is about 28468.9642944734. The cubic root of 810481928 is about 932.3545870284.

The spelling of 810481928 in words is "eight hundred ten million, four hundred eighty-one thousand, nine hundred twenty-eight".