10809365 has 32 divisors (see below), whose sum is σ = 16153344. Its totient is φ = 6773760.

The previous prime is 10809361. The next prime is 10809367. The reversal of 10809365 is 56390801.

It is not a de Polignac number, because 10809365 - 2² = 10809361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10809361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21770 + ... + 22260.

It is an arithmetic number, because the mean of its divisors is an integer number (504792).

Almost surely, 2^10809365 is an apocalyptic number.

It is an amenable number.

10809365 is a deficient number, since it is larger than the sum of its proper divisors (5343979).

10809365 is a wasteful number, since it uses less digits than its factorization.

10809365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 10809365 is about 3287.7598756600. The cubic root of 10809365 is about 221.1057621175.

The spelling of 10809365 in words is "ten million, eight hundred nine thousand, three hundred sixty-five".