14279989 has 4 divisors (see below), whose sum is σ = 14291424. Its totient is φ = 14268556.

The previous prime is 14279971. The next prime is 14280029. The reversal of 14279989 is 98997241.

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: 98997241 = 7 ⋅14142463.

It is a cyclic number.

It is not a de Polignac number, because 14279989 - 2⁵ = 14279957 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 (14279929) 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, 3577 + ... + 6430.

It is an arithmetic number, because the mean of its divisors is an integer number (3572856).

Almost surely, 2^14279989 is an apocalyptic number.

It is an amenable number.

14279989 is a deficient number, since it is larger than the sum of its proper divisors (11435).

14279989 is a wasteful number, since it uses less digits than its factorization.

14279989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434.

The product of its digits is 326592, while the sum is 49.

The square root of 14279989 is about 3778.8872700836. The cubic root of 14279989 is about 242.6103313440.

The spelling of 14279989 in words is "fourteen million, two hundred seventy-nine thousand, nine hundred eighty-nine".