810494284 has 12 divisors (see below), whose sum is σ = 1418871664. Its totient is φ = 405102384.

The previous prime is 810494239. The next prime is 810494299. The reversal of 810494284 is 482494018.

It is a happy number.

It is a nialpdrome in base 13.

It is an unprimeable number.

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, 23064 + ... + 46399.

Almost surely, 2^810494284 is an apocalyptic number.

It is an amenable number.

810494284 is a deficient number, since it is larger than the sum of its proper divisors (608377380).

810494284 is a wasteful number, since it uses less digits than its factorization.

810494284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72384 (or 72382 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 810494284 is about 28469.1813018921. The cubic root of 810494284 is about 932.3593249974.

The spelling of 810494284 in words is "eight hundred ten million, four hundred ninety-four thousand, two hundred eighty-four".