14389789 has 4 divisors (see below), whose sum is σ = 15015456. Its totient is φ = 13764124.

The previous prime is 14389763. The next prime is 14389807. The reversal of 14389789 is 98798341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98798341 = 757 ⋅130513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14389789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14389709) 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 in 3 ways as a sum of consecutive naturals, for example, 312799 + ... + 312844.

It is an arithmetic number, because the mean of its divisors is an integer number (3753864).

Almost surely, 2^14389789 is an apocalyptic number.

It is an amenable number.

14389789 is a deficient number, since it is larger than the sum of its proper divisors (625667).

14389789 is an equidigital number, since it uses as much as digits as its factorization.

14389789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625666.

The product of its digits is 435456, while the sum is 49.

The square root of 14389789 is about 3793.3875362267. The cubic root of 14389789 is about 243.2305612582.

The spelling of 14389789 in words is "fourteen million, three hundred eighty-nine thousand, seven hundred eighty-nine".