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14438 = 27219

14438 has 4 divisors (see below), whose sum is σ = 21660. Its totient is φ = 7218.

The previous prime is 14437. The next prime is 14447. The reversal of 14438 is 83441.

14438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83441 = 181461.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3608 + ... + 3611.

It is an arithmetic number, because the mean of its divisors is an integer number (5415).

214438 is an apocalyptic number.

14438 is a deficient number, since it is larger than the sum of its proper divisors (7222).

14438 is an equidigital number, since it uses as much as digits as its factorization.

14438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221.

The product of its digits is 384, while the sum is 20.

The square root of 14438 is about 120.1582290149. The cubic root of 14438 is about 24.3501895258.

Adding to 14438 its reverse (83441), we get a palindrome (97879).

The spelling of 14438 in words is "fourteen thousand, four hundred thirty-eight".

Divisors: 1 2 7219 14438