14402239 has 4 divisors (see below), whose sum is σ = 14477056. Its totient is φ = 14327424.

The previous prime is 14402237. The next prime is 14402249. The reversal of 14402239 is 93220441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14402239 - 2¹ = 14402237 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 (14402231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37119 + ... + 37504.

It is an arithmetic number, because the mean of its divisors is an integer number (3619264).

Almost surely, 2^14402239 is an apocalyptic number.

14402239 is a deficient number, since it is larger than the sum of its proper divisors (74817).

14402239 is an equidigital number, since it uses as much as digits as its factorization.

14402239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74816.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 14402239 is about 3795.0281948887. The cubic root of 14402239 is about 243.3006884753.

It can be divided in two parts, 14402 and 239, that added together give a palindrome (14641).

The spelling of 14402239 in words is "fourteen million, four hundred two thousand, two hundred thirty-nine".