14439643 has 4 divisors (see below), whose sum is σ = 14447808. Its totient is φ = 14431480.

The previous prime is 14439641. The next prime is 14439661. The reversal of 14439643 is 34693441.

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: 34693441 = 1229 ⋅28229.

It is a cyclic number.

It is not a de Polignac number, because 14439643 - 2¹ = 14439641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14439599 and 14439608.

It is not an unprimeable number, because it can be changed into a prime (14439641) 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, 196 + ... + 5377.

It is an arithmetic number, because the mean of its divisors is an integer number (3611952).

Almost surely, 2^14439643 is an apocalyptic number.

14439643 is a deficient number, since it is larger than the sum of its proper divisors (8165).

14439643 is an equidigital number, since it uses as much as digits as its factorization.

14439643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8164.

The product of its digits is 31104, while the sum is 34.

The square root of 14439643 is about 3799.9530260255. The cubic root of 14439643 is about 243.5111314968.

The spelling of 14439643 in words is "fourteen million, four hundred thirty-nine thousand, six hundred forty-three".