14289857 has 2 divisors, whose sum is σ = 14289858. Its totient is φ = 14289856.

The previous prime is 14289841. The next prime is 14289883. The reversal of 14289857 is 75898241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 923521 = 3656^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 14289857 - 2⁴ = 14289841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14289887) 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, 7144928 + 7144929.

It is an arithmetic number, because the mean of its divisors is an integer number (7144929).

Almost surely, 2^14289857 is an apocalyptic number.

It is an amenable number.

14289857 is a deficient number, since it is larger than the sum of its proper divisors (1).

14289857 is an equidigital number, since it uses as much as digits as its factorization.

14289857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 44.

The square root of 14289857 is about 3780.1927199549. The cubic root of 14289857 is about 242.6662027105. Note that the first 3 decimals are identical.

The spelling of 14289857 in words is "fourteen million, two hundred eighty-nine thousand, eight hundred fifty-seven".