14638809 has 16 divisors (see below), whose sum is σ = 19958400. Its totient is φ = 9542016.

The previous prime is 14638807. The next prime is 14638817. The reversal of 14638809 is 90883641.

It is not a de Polignac number, because 14638809 - 2¹ = 14638807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14638801) 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 15 ways as a sum of consecutive naturals, for example, 28852 + ... + 29354.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^14638809 is an apocalyptic number.

It is an amenable number.

14638809 is a deficient number, since it is larger than the sum of its proper divisors (5319591).

14638809 is a wasteful number, since it uses less digits than its factorization.

14638809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 14638809 is about 3826.0696543581. The cubic root of 14638809 is about 244.6256061473.

The spelling of 14638809 in words is "fourteen million, six hundred thirty-eight thousand, eight hundred nine".