14401891 has 8 divisors (see below), whose sum is σ = 16644960. Its totient is φ = 12205248.

The previous prime is 14401889. The next prime is 14401897. The reversal of 14401891 is 19810441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14401891 - 2¹ = 14401889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14401897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10936 + ... + 12181.

It is an arithmetic number, because the mean of its divisors is an integer number (2080620).

Almost surely, 2^14401891 is an apocalyptic number.

14401891 is a deficient number, since it is larger than the sum of its proper divisors (2243069).

14401891 is an equidigital number, since it uses as much as digits as its factorization.

14401891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23213.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 14401891 is about 3794.9823451500. The cubic root of 14401891 is about 243.2987288420.

The spelling of 14401891 in words is "fourteen million, four hundred one thousand, eight hundred ninety-one".