14431009 has 8 divisors (see below), whose sum is σ = 15120000. Its totient is φ = 13754832.

The previous prime is 14431003. The next prime is 14431031. The reversal of 14431009 is 90013441.

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 14431009 - 2⁷ = 14430881 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14431003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859 + ... + 5440.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^14431009 is an apocalyptic number.

It is an amenable number.

14431009 is a deficient number, since it is larger than the sum of its proper divisors (688991).

14431009 is an equidigital number, since it uses as much as digits as its factorization.

14431009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 14431009 is about 3798.8167894754. The cubic root of 14431009 is about 243.4625870303.

The spelling of 14431009 in words is "fourteen million, four hundred thirty-one thousand, nine".