14927389 has 2 divisors, whose sum is σ = 14927390. Its totient is φ = 14927388.

The previous prime is 14927387. The next prime is 14927447. The reversal of 14927389 is 98372941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 3080025 = 3442^2 + 1755^2 .

It is a cyclic number.

It is not a de Polignac number, because 14927389 - 2¹ = 14927387 is a prime.

Together with 14927387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14927387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7463694 + 7463695.

It is an arithmetic number, because the mean of its divisors is an integer number (7463695).

Almost surely, 2^14927389 is an apocalyptic number.

It is an amenable number.

14927389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14927389 is an equidigital number, since it uses as much as digits as its factorization.

14927389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 14927389 is about 3863.5979345682. The cubic root of 14927389 is about 246.2226210896. Note that the first 3 decimals are identical.

The spelling of 14927389 in words is "fourteen million, nine hundred twenty-seven thousand, three hundred eighty-nine".