14719989 has 4 divisors (see below), whose sum is σ = 19626656. Its totient is φ = 9813324.

The previous prime is 14719973. The next prime is 14719997. The reversal of 14719989 is 98991741.

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: 98991741 = 3 ⋅32997247.

It is not a de Polignac number, because 14719989 - 2⁴ = 14719973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14719919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453329 + ... + 2453334.

It is an arithmetic number, because the mean of its divisors is an integer number (4906664).

Almost surely, 2^14719989 is an apocalyptic number.

It is an amenable number.

14719989 is a deficient number, since it is larger than the sum of its proper divisors (4906667).

14719989 is an equidigital number, since it uses as much as digits as its factorization.

14719989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906666.

The product of its digits is 163296, while the sum is 48.

The square root of 14719989 is about 3836.6637851133. The cubic root of 14719989 is about 245.0769659619.

The spelling of 14719989 in words is "fourteen million, seven hundred nineteen thousand, nine hundred eighty-nine".