14408789 has 2 divisors, whose sum is σ = 14408790. Its totient is φ = 14408788.

The previous prime is 14408767. The next prime is 14408791. The reversal of 14408789 is 98780441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14122564 + 286225 = 3758^2 + 535^2 .

It is an emirp because it is prime and its reverse (98780441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14408789 - 2⁸ = 14408533 is a prime.

It is a super-2 number, since 2×14408789² = 415226400893042, which contains 22 as substring.

Together with 14408791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14408729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7204394 + 7204395.

It is an arithmetic number, because the mean of its divisors is an integer number (7204395).

Almost surely, 2^14408789 is an apocalyptic number.

It is an amenable number.

14408789 is a deficient number, since it is larger than the sum of its proper divisors (1).

14408789 is an equidigital number, since it uses as much as digits as its factorization.

14408789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 14408789 is about 3795.8910679839. The cubic root of 14408789 is about 243.3375664909.

The spelling of 14408789 in words is "fourteen million, four hundred eight thousand, seven hundred eighty-nine".