810084938 has 12 divisors (see below), whose sum is σ = 1315789398. Its totient is φ = 373885200.

The previous prime is 810084923. The next prime is 810084967. The reversal of 810084938 is 839480018.

It can be written as a sum of positive squares in 3 ways, for example, as 130804969 + 679279969 = 11437^2 + 26063^2 .

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 810084895 and 810084904.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1198013 + ... + 1198688.

Almost surely, 2^810084938 is an apocalyptic number.

810084938 is a deficient number, since it is larger than the sum of its proper divisors (505704460).

810084938 is a wasteful number, since it uses less digits than its factorization.

810084938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396729 (or 2396716 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 810084938 is about 28461.9911109536. The cubic root of 810084938 is about 932.2023336244.

The spelling of 810084938 in words is "eight hundred ten million, eighty-four thousand, nine hundred thirty-eight".