14209439 has 8 divisors (see below), whose sum is σ = 14784000. Its totient is φ = 13642200.

The previous prime is 14209417. The next prime is 14209451. The reversal of 14209439 is 93490241.

It is a happy number.

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 14209439 - 2⁸ = 14209183 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 (14209339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312 + ... + 5810.

It is an arithmetic number, because the mean of its divisors is an integer number (1848000).

Almost surely, 2^14209439 is an apocalyptic number.

14209439 is a deficient number, since it is larger than the sum of its proper divisors (574561).

14209439 is a wasteful number, since it uses less digits than its factorization.

14209439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 14209439 is about 3769.5409534849. The cubic root of 14209439 is about 242.2101344007.

The spelling of 14209439 in words is "fourteen million, two hundred nine thousand, four hundred thirty-nine".