14493891 has 4 divisors (see below), whose sum is σ = 19325192. Its totient is φ = 9662592.

The previous prime is 14493889. The next prime is 14493901. The reversal of 14493891 is 19839441.

14493891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 14493891 - 2¹ = 14493889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14493811) 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, 2415646 + ... + 2415651.

It is an arithmetic number, because the mean of its divisors is an integer number (4831298).

Almost surely, 2^14493891 is an apocalyptic number.

14493891 is a deficient number, since it is larger than the sum of its proper divisors (4831301).

14493891 is an equidigital number, since it uses as much as digits as its factorization.

14493891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831300.

The product of its digits is 31104, while the sum is 39.

The square root of 14493891 is about 3807.0843174272. The cubic root of 14493891 is about 243.8156977413.

The spelling of 14493891 in words is "fourteen million, four hundred ninety-three thousand, eight hundred ninety-one".