14856389 has 2 divisors, whose sum is σ = 14856390. Its totient is φ = 14856388.

The previous prime is 14856329. The next prime is 14856407. The reversal of 14856389 is 98365841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14668900 + 187489 = 3830^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 14856389 - 2⁸ = 14856133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14856319) 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, 7428194 + 7428195.

It is an arithmetic number, because the mean of its divisors is an integer number (7428195).

Almost surely, 2^14856389 is an apocalyptic number.

It is an amenable number.

14856389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14856389 is an equidigital number, since it uses as much as digits as its factorization.

14856389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 14856389 is about 3854.3986560811. The cubic root of 14856389 is about 245.8316262514.

The spelling of 14856389 in words is "fourteen million, eight hundred fifty-six thousand, three hundred eighty-nine".