14638009 has 4 divisors (see below), whose sum is σ = 14949504. Its totient is φ = 14326516.

The previous prime is 14637991. The next prime is 14638027. The reversal of 14638009 is 90083641.

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 an interprime number because it is at equal distance from previous prime (14637991) and next prime (14638027).

It is a cyclic number.

It is not a de Polignac number, because 14638009 - 2⁷ = 14637881 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14638079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155677 + ... + 155770.

It is an arithmetic number, because the mean of its divisors is an integer number (3737376).

Almost surely, 2^14638009 is an apocalyptic number.

It is an amenable number.

14638009 is a deficient number, since it is larger than the sum of its proper divisors (311495).

14638009 is an equidigital number, since it uses as much as digits as its factorization.

14638009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311494.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 14638009 is about 3825.9651070024. The cubic root of 14638009 is about 244.6211498638.

The spelling of 14638009 in words is "fourteen million, six hundred thirty-eight thousand, nine".