14243389 has 2 divisors, whose sum is σ = 14243390. Its totient is φ = 14243388.

The previous prime is 14243287. The next prime is 14243393. The reversal of 14243389 is 98334241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10791225 + 3452164 = 3285^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 14243389 - 2¹³ = 14235197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14243689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7121694 + 7121695.

It is an arithmetic number, because the mean of its divisors is an integer number (7121695).

Almost surely, 2^14243389 is an apocalyptic number.

It is an amenable number.

14243389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14243389 is an equidigital number, since it uses as much as digits as its factorization.

14243389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 14243389 is about 3774.0414677107. The cubic root of 14243389 is about 242.4028817184.

The spelling of 14243389 in words is "fourteen million, two hundred forty-three thousand, three hundred eighty-nine".