14319891 has 6 divisors (see below), whose sum is σ = 20684300. Its totient is φ = 9546588.

The previous prime is 14319887. The next prime is 14319931. The reversal of 14319891 is 19891341.

It is not a de Polignac number, because 14319891 - 2² = 14319887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14319691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 795541 + ... + 795558.

Almost surely, 2^14319891 is an apocalyptic number.

14319891 is a deficient number, since it is larger than the sum of its proper divisors (6364409).

14319891 is a wasteful number, since it uses less digits than its factorization.

14319891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591105 (or 1591102 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 14319891 is about 3784.1631835850. The cubic root of 14319891 is about 242.8360932983.

The spelling of 14319891 in words is "fourteen million, three hundred nineteen thousand, eight hundred ninety-one".