14638209 has 8 divisors (see below), whose sum is σ = 19642560. Its totient is φ = 9696336.

The previous prime is 14638201. The next prime is 14638213. The reversal of 14638209 is 90283641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14638209 - 2³ = 14638201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14638209.

It is not an unprimeable number, because it can be changed into a prime (14638201) 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, 15069 + ... + 16010.

It is an arithmetic number, because the mean of its divisors is an integer number (2455320).

Almost surely, 2^14638209 is an apocalyptic number.

It is an amenable number.

14638209 is a deficient number, since it is larger than the sum of its proper divisors (5004351).

14638209 is a wasteful number, since it uses less digits than its factorization.

14638209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31239.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 14638209 is about 3825.9912441092. The cubic root of 14638209 is about 244.6222639499.

The spelling of 14638209 in words is "fourteen million, six hundred thirty-eight thousand, two hundred nine".