10809800 has 24 divisors (see below), whose sum is σ = 25133250. Its totient is φ = 4323840.

The previous prime is 10809791. The next prime is 10809811. The reversal of 10809800 is 890801.

It can be written as a sum of positive squares in 3 ways, for example, as 10355524 + 454276 = 3218^2 + 674^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10809800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26825 + ... + 27224.

Almost surely, 2^10809800 is an apocalyptic number.

10809800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10809800 is an abundant number, since it is smaller than the sum of its proper divisors (14323450).

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

10809800 is a wasteful number, since it uses less digits than its factorization.

10809800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54065 (or 54056 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 10809800 is about 3287.8260294608. The cubic root of 10809800 is about 221.1087280554.

The spelling of 10809800 in words is "ten million, eight hundred nine thousand, eight hundred".