14287439 has 16 divisors (see below), whose sum is σ = 15555072. Its totient is φ = 13087008.

The previous prime is 14287433. The next prime is 14287447. The reversal of 14287439 is 93478241.

14287439 = T₂₄₂ + T₂₄₃ + ... + T₄₆₃.

It is a cyclic number.

It is not a de Polignac number, because 14287439 - 2¹⁶ = 14221903 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 (14287433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87572 + ... + 87734.

It is an arithmetic number, because the mean of its divisors is an integer number (972192).

Almost surely, 2^14287439 is an apocalyptic number.

14287439 is a deficient number, since it is larger than the sum of its proper divisors (1267633).

14287439 is a wasteful number, since it uses less digits than its factorization.

14287439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 48384, while the sum is 38.

The square root of 14287439 is about 3779.8728814604. The cubic root of 14287439 is about 242.6525146804.

The spelling of 14287439 in words is "fourteen million, two hundred eighty-seven thousand, four hundred thirty-nine".