810489196 has 12 divisors (see below), whose sum is σ = 1547297640. Its totient is φ = 368404160.

The previous prime is 810489179. The next prime is 810489217. The reversal of 810489196 is 691984018.

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, 9210061 + ... + 9210148.

It is an arithmetic number, because the mean of its divisors is an integer number (128941470).

Almost surely, 2^810489196 is an apocalyptic number.

It is an amenable number.

810489196 is a deficient number, since it is larger than the sum of its proper divisors (736808444).

810489196 is a wasteful number, since it uses less digits than its factorization.

810489196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18420224 (or 18420222 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 810489196 is about 28469.0919419640. The cubic root of 810489196 is about 932.3573739846.

The spelling of 810489196 in words is "eight hundred ten million, four hundred eighty-nine thousand, one hundred ninety-six".