14394509 has 8 divisors (see below), whose sum is σ = 15015168. Its totient is φ = 13783680.

The previous prime is 14394493. The next prime is 14394521. The reversal of 14394509 is 90549341.

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 14394509 - 2⁴ = 14394493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14394539) 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, 614 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (1876896).

Almost surely, 2^14394509 is an apocalyptic number.

It is an amenable number.

14394509 is a deficient number, since it is larger than the sum of its proper divisors (620659).

14394509 is an equidigital number, since it uses as much as digits as its factorization.

14394509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 14394509 is about 3794.0096204412. The cubic root of 14394509 is about 243.2571523997.

The spelling of 14394509 in words is "fourteen million, three hundred ninety-four thousand, five hundred nine".