10791009 has 8 divisors (see below), whose sum is σ = 15986720. Its totient is φ = 7193988.

The previous prime is 10790977. The next prime is 10791019. The reversal of 10791009 is 90019701.

It is not a de Polignac number, because 10791009 - 2⁵ = 10790977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 399667 = 10791009 / (1 + 0 + 7 + 9 + 1 + 0 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10791019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199807 + ... + 199860.

It is an arithmetic number, because the mean of its divisors is an integer number (1998340).

Almost surely, 2^10791009 is an apocalyptic number.

It is an amenable number.

10791009 is a deficient number, since it is larger than the sum of its proper divisors (5195711).

10791009 is an equidigital number, since it uses as much as digits as its factorization.

10791009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399676 (or 399670 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 10791009 is about 3284.9671231232. The cubic root of 10791009 is about 220.9805337645.

The spelling of 10791009 in words is "ten million, seven hundred ninety-one thousand, nine".