10809049 has 8 divisors (see below), whose sum is σ = 11197440. Its totient is φ = 10423200.

The previous prime is 10809047. The next prime is 10809061. The reversal of 10809049 is 94090801.

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

It is a cyclic number.

It is not a de Polignac number, because 10809049 - 2¹ = 10809047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10809049.

It is not an unprimeable number, because it can be changed into a prime (10809047) 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, 12957 + ... + 13765.

It is an arithmetic number, because the mean of its divisors is an integer number (1399680).

Almost surely, 2^10809049 is an apocalyptic number.

It is an amenable number.

10809049 is a deficient number, since it is larger than the sum of its proper divisors (388391).

10809049 is an equidigital number, since it uses as much as digits as its factorization.

10809049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 10809049 is about 3287.7118182712. The cubic root of 10809049 is about 221.1036075012.

The spelling of 10809049 in words is "ten million, eight hundred nine thousand, forty-nine".