14939409 has 8 divisors (see below), whose sum is σ = 19946560. Its totient is φ = 9945936.

The previous prime is 14939401. The next prime is 14939411. The reversal of 14939409 is 90493941.

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

It is not a de Polignac number, because 14939409 - 2³ = 14939401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14939401) 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, 517 + ... + 5490.

It is an arithmetic number, because the mean of its divisors is an integer number (2493320).

Almost surely, 2^14939409 is an apocalyptic number.

It is an amenable number.

14939409 is a deficient number, since it is larger than the sum of its proper divisors (5007151).

14939409 is an equidigital number, since it uses as much as digits as its factorization.

14939409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6839.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 14939409 is about 3865.1531664347. The cubic root of 14939409 is about 246.2886920744.

The spelling of 14939409 in words is "fourteen million, nine hundred thirty-nine thousand, four hundred nine".