14042389 has 2 divisors, whose sum is σ = 14042390. Its totient is φ = 14042388.

The previous prime is 14042341. The next prime is 14042393. The reversal of 14042389 is 98324041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 6589489 = 2730^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 14042389 - 2⁹ = 14041877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14042389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14042339) 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 as a sum of consecutive naturals, namely, 7021194 + 7021195.

It is an arithmetic number, because the mean of its divisors is an integer number (7021195).

Almost surely, 2^14042389 is an apocalyptic number.

It is an amenable number.

14042389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14042389 is an equidigital number, since it uses as much as digits as its factorization.

14042389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 14042389 is about 3747.3175739454. The cubic root of 14042389 is about 241.2572278075.

The spelling of 14042389 in words is "fourteen million, forty-two thousand, three hundred eighty-nine".