14440539 has 8 divisors (see below), whose sum is σ = 19617552. Its totient is φ = 9445280.

The previous prime is 14440519. The next prime is 14440549. The reversal of 14440539 is 93504441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14440539 is a prime.

It is a super-2 number, since 2×14440539² = 417058333221042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14440519) 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, 45252 + ... + 45569.

It is an arithmetic number, because the mean of its divisors is an integer number (2452194).

Almost surely, 2^14440539 is an apocalyptic number.

14440539 is a deficient number, since it is larger than the sum of its proper divisors (5177013).

14440539 is an equidigital number, since it uses as much as digits as its factorization.

14440539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90877.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 14440539 is about 3800.0709203908. The cubic root of 14440539 is about 243.5161681279.

The spelling of 14440539 in words is "fourteen million, four hundred forty thousand, five hundred thirty-nine".