14189391 has 8 divisors (see below), whose sum is σ = 21021360. Its totient is φ = 9459576.

The previous prime is 14189387. The next prime is 14189411. The reversal of 14189391 is 19398141.

14189391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14189391 - 2² = 14189387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14189311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262740 + ... + 262793.

It is an arithmetic number, because the mean of its divisors is an integer number (2627670).

Almost surely, 2^14189391 is an apocalyptic number.

14189391 is a deficient number, since it is larger than the sum of its proper divisors (6831969).

14189391 is an equidigital number, since it uses as much as digits as its factorization.

14189391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525542 (or 525536 counting only the distinct ones).

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

The square root of 14189391 is about 3766.8808051225. The cubic root of 14189391 is about 242.0961699143.

The spelling of 14189391 in words is "fourteen million, one hundred eighty-nine thousand, three hundred ninety-one".