14440631 has 2 divisors, whose sum is σ = 14440632. Its totient is φ = 14440630.

The previous prime is 14440607. The next prime is 14440639. The reversal of 14440631 is 13604441.

It is a strong prime.

It is an emirp because it is prime and its reverse (13604441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14440631 - 2⁶ = 14440567 is a prime.

It is a super-2 number, since 2×14440631² = 417063647356322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14440597 and 14440606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14440639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7220315 + 7220316.

It is an arithmetic number, because the mean of its divisors is an integer number (7220316).

Almost surely, 2^14440631 is an apocalyptic number.

14440631 is a deficient number, since it is larger than the sum of its proper divisors (1).

14440631 is an equidigital number, since it uses as much as digits as its factorization.

14440631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 14440631 is about 3800.0830254088. The cubic root of 14440631 is about 243.5166852701.

The spelling of 14440631 in words is "fourteen million, four hundred forty thousand, six hundred thirty-one".