14438891 has 4 divisors (see below), whose sum is σ = 14446752. Its totient is φ = 14431032.

The previous prime is 14438887. The next prime is 14438923. The reversal of 14438891 is 19883441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19883441 = 631 ⋅31511.

It is a cyclic number.

It is not a de Polignac number, because 14438891 - 2² = 14438887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14438791) 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, 461 + ... + 5393.

It is an arithmetic number, because the mean of its divisors is an integer number (3611688).

Almost surely, 2^14438891 is an apocalyptic number.

14438891 is a deficient number, since it is larger than the sum of its proper divisors (7861).

14438891 is an equidigital number, since it uses as much as digits as its factorization.

14438891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860.

The product of its digits is 27648, while the sum is 38.

The square root of 14438891 is about 3799.8540761456. The cubic root of 14438891 is about 243.5069041636.

The spelling of 14438891 in words is "fourteen million, four hundred thirty-eight thousand, eight hundred ninety-one".