14504389 has 2 divisors, whose sum is σ = 14504390. Its totient is φ = 14504388.

The previous prime is 14504381. The next prime is 14504393. The reversal of 14504389 is 98340541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8584900 + 5919489 = 2930^2 + 2433^2 .

It is a cyclic number.

It is not a de Polignac number, because 14504389 - 2³ = 14504381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14504381) 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, 7252194 + 7252195.

It is an arithmetic number, because the mean of its divisors is an integer number (7252195).

Almost surely, 2^14504389 is an apocalyptic number.

It is an amenable number.

14504389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14504389 is an equidigital number, since it uses as much as digits as its factorization.

14504389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 14504389 is about 3808.4628132621. The cubic root of 14504389 is about 243.8745491906.

The spelling of 14504389 in words is "fourteen million, five hundred four thousand, three hundred eighty-nine".