10809946 has 8 divisors (see below), whose sum is σ = 18531360. Its totient is φ = 4632828.

The previous prime is 10809941. The next prime is 10809947. The reversal of 10809946 is 64990801.

10809946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (10809941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386056 + ... + 386083.

It is an arithmetic number, because the mean of its divisors is an integer number (2316420).

Almost surely, 2^10809946 is an apocalyptic number.

10809946 is a deficient number, since it is larger than the sum of its proper divisors (7721414).

10809946 is an equidigital number, since it uses as much as digits as its factorization.

10809946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772148.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 10809946 is about 3287.8482325071. The cubic root of 10809946 is about 221.1097235018.

It can be divided in two parts, 1080 and 9946, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 10809946 in words is "ten million, eight hundred nine thousand, nine hundred forty-six".