14441891 has 4 divisors (see below), whose sum is σ = 15291432. Its totient is φ = 13592352.

The previous prime is 14441887. The next prime is 14441893. The reversal of 14441891 is 19814441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19814441 = 3083 ⋅6427.

It is a cyclic number.

It is not a de Polignac number, because 14441891 - 2² = 14441887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14441893) 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, 424745 + ... + 424778.

It is an arithmetic number, because the mean of its divisors is an integer number (3822858).

Almost surely, 2^14441891 is an apocalyptic number.

14441891 is a deficient number, since it is larger than the sum of its proper divisors (849541).

14441891 is an equidigital number, since it uses as much as digits as its factorization.

14441891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849540.

The product of its digits is 4608, while the sum is 32.

The square root of 14441891 is about 3800.2488076440. The cubic root of 14441891 is about 243.5237676499.

The spelling of 14441891 in words is "fourteen million, four hundred forty-one thousand, eight hundred ninety-one".