14438387 has 2 divisors, whose sum is σ = 14438388. Its totient is φ = 14438386.

The previous prime is 14438383. The next prime is 14438393. The reversal of 14438387 is 78383441.

It is a weak prime.

It is an emirp because it is prime and its reverse (78383441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14438387 - 2² = 14438383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14438387.

It is not a weakly prime, because it can be changed into another prime (14438383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7219193 + 7219194.

It is an arithmetic number, because the mean of its divisors is an integer number (7219194).

Almost surely, 2^14438387 is an apocalyptic number.

14438387 is a deficient number, since it is larger than the sum of its proper divisors (1).

14438387 is an equidigital number, since it uses as much as digits as its factorization.

14438387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 14438387 is about 3799.7877572307. The cubic root of 14438387 is about 243.5040708687.

The spelling of 14438387 in words is "fourteen million, four hundred thirty-eight thousand, three hundred eighty-seven".