10809256 has 32 divisors (see below), whose sum is σ = 20885760. Its totient is φ = 5242752.

The previous prime is 10809221. The next prime is 10809259. The reversal of 10809256 is 65290801.

It is not an unprimeable number, because it can be changed into a prime (10809259) 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 7 ways as a sum of consecutive naturals, for example, 48361 + ... + 48583.

It is an arithmetic number, because the mean of its divisors is an integer number (652680).

Almost surely, 2^10809256 is an apocalyptic number.

It is an amenable number.

10809256 is a deficient number, since it is larger than the sum of its proper divisors (10076504).

10809256 is a wasteful number, since it uses less digits than its factorization.

10809256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 10809256 is about 3287.7432989818. The cubic root of 10809256 is about 221.1050189160.

The spelling of 10809256 in words is "ten million, eight hundred nine thousand, two hundred fifty-six".