11008839 has 4 divisors (see below), whose sum is σ = 14678456. Its totient is φ = 7339224.

The previous prime is 11008831. The next prime is 11008849. The reversal of 11008839 is 93880011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11008839 - 2³ = 11008831 is a prime.

It is a super-2 number, since 2×11008839² = 242389072255842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11008831) 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, 1834804 + ... + 1834809.

It is an arithmetic number, because the mean of its divisors is an integer number (3669614).

Almost surely, 2^11008839 is an apocalyptic number.

11008839 is a deficient number, since it is larger than the sum of its proper divisors (3669617).

11008839 is an equidigital number, since it uses as much as digits as its factorization.

11008839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669616.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11008839 is about 3317.9570521633. The cubic root of 11008839 is about 222.4575620784.

The spelling of 11008839 in words is "eleven million, eight thousand, eight hundred thirty-nine".