14440869 has 16 divisors (see below), whose sum is σ = 22132800. Its totient is φ = 9294768.

The previous prime is 14440859. The next prime is 14440883. The reversal of 14440869 is 96804441.

It is a happy number.

It is not a de Polignac number, because 14440869 - 2⁹ = 14440357 is a prime.

It is a super-2 number, since 2×14440869² = 417077394950322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440859) 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 15 ways as a sum of consecutive naturals, for example, 8439 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (1383300).

Almost surely, 2^14440869 is an apocalyptic number.

It is an amenable number.

14440869 is a deficient number, since it is larger than the sum of its proper divisors (7691931).

14440869 is a wasteful number, since it uses less digits than its factorization.

14440869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18481 (or 18475 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 14440869 is about 3800.1143403850. The cubic root of 14440869 is about 243.5180230845.

The spelling of 14440869 in words is "fourteen million, four hundred forty thousand, eight hundred sixty-nine".