10809917 has 8 divisors (see below), whose sum is σ = 11746560. Its totient is φ = 9910080.

The previous prime is 10809893. The next prime is 10809923. The reversal of 10809917 is 71990801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10809917 - 2⁶ = 10809853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10809947) 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, 8588 + ... + 9765.

It is an arithmetic number, because the mean of its divisors is an integer number (1468320).

Almost surely, 2^10809917 is an apocalyptic number.

It is an amenable number.

10809917 is a deficient number, since it is larger than the sum of its proper divisors (936643).

10809917 is a wasteful number, since it uses less digits than its factorization.

10809917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18403.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 10809917 is about 3287.8438223249. The cubic root of 10809917 is about 221.1095257769.

The spelling of 10809917 in words is "ten million, eight hundred nine thousand, nine hundred seventeen".