14389489 has 2 divisors, whose sum is σ = 14389490. Its totient is φ = 14389488.

The previous prime is 14389469. The next prime is 14389537. The reversal of 14389489 is 98498341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14311089 + 78400 = 3783^2 + 280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14389489 is a prime.

It is a super-2 number, since 2×14389489² = 414114787362242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14389439) 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, 7194744 + 7194745.

It is an arithmetic number, because the mean of its divisors is an integer number (7194745).

Almost surely, 2^14389489 is an apocalyptic number.

It is an amenable number.

14389489 is a deficient number, since it is larger than the sum of its proper divisors (1).

14389489 is an equidigital number, since it uses as much as digits as its factorization.

14389489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 14389489 is about 3793.3479935276. The cubic root of 14389489 is about 243.2288709467.

It can be divided in two parts, 14389 and 489, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 14389489 in words is "fourteen million, three hundred eighty-nine thousand, four hundred eighty-nine".