11440009 has 8 divisors (see below), whose sum is σ = 13098240. Its totient is φ = 9787776.

The previous prime is 11440003. The next prime is 11440027. The reversal of 11440009 is 90004411.

11440009 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 11440009 - 2⁵ = 11439977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11440003) 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 7 ways as a sum of consecutive naturals, for example, 3897 + ... + 6169.

It is an arithmetic number, because the mean of its divisors is an integer number (1637280).

Almost surely, 2^11440009 is an apocalyptic number.

It is an amenable number.

11440009 is a deficient number, since it is larger than the sum of its proper divisors (1658231).

11440009 is an equidigital number, since it uses as much as digits as its factorization.

11440009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11440009 is about 3382.3082355102. The cubic root of 11440009 is about 225.3246933555.

The spelling of 11440009 in words is "eleven million, four hundred forty thousand, nine".