14440447 has 6 divisors (see below), whose sum is σ = 16798128. Its totient is φ = 12377484.

The previous prime is 14440409. The next prime is 14440457. The reversal of 14440447 is 74404441.

It is a happy number.

It is not a de Polignac number, because 14440447 - 2⁷ = 14440319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147303 + ... + 147400.

It is an arithmetic number, because the mean of its divisors is an integer number (2799688).

Almost surely, 2^14440447 is an apocalyptic number.

14440447 is a deficient number, since it is larger than the sum of its proper divisors (2357681).

14440447 is an equidigital number, since it uses as much as digits as its factorization.

14440447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294717 (or 294710 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 14440447 is about 3800.0588153343. The cubic root of 14440447 is about 243.5156509834.

Adding to 14440447 its reverse (74404441), we get a palindrome (88844888).

The spelling of 14440447 in words is "fourteen million, four hundred forty thousand, four hundred forty-seven".