10943809 has 4 divisors (see below), whose sum is σ = 11176704. Its totient is φ = 10710916.

The previous prime is 10943797. The next prime is 10943813. The reversal of 10943809 is 90834901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10943809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10943819) 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 3 ways as a sum of consecutive naturals, for example, 116377 + ... + 116470.

It is an arithmetic number, because the mean of its divisors is an integer number (2794176).

Almost surely, 2^10943809 is an apocalyptic number.

It is an amenable number.

10943809 is a deficient number, since it is larger than the sum of its proper divisors (232895).

10943809 is an equidigital number, since it uses as much as digits as its factorization.

10943809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232894.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10943809 is about 3308.1428324666. The cubic root of 10943809 is about 222.0186725089.

The spelling of 10943809 in words is "ten million, nine hundred forty-three thousand, eight hundred nine".