14660389 has 2 divisors, whose sum is σ = 14660390. Its totient is φ = 14660388.

The previous prime is 14660363. The next prime is 14660413. The reversal of 14660389 is 98306641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12837889 + 1822500 = 3583^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 14660389 - 2¹⁵ = 14627621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14660309) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7330194 + 7330195.

It is an arithmetic number, because the mean of its divisors is an integer number (7330195).

Almost surely, 2^14660389 is an apocalyptic number.

It is an amenable number.

14660389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14660389 is an equidigital number, since it uses as much as digits as its factorization.

14660389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 14660389 is about 3828.8887421809. Note that the first 3 decimals coincide. The cubic root of 14660389 is about 244.7457531860.

The spelling of 14660389 in words is "fourteen million, six hundred sixty thousand, three hundred eighty-nine".