14390663 has 18 divisors (see below), whose sum is σ = 17623944. Its totient is φ = 11694144.

The previous prime is 14390647. The next prime is 14390671. The reversal of 14390663 is 36609341.

It is a happy number.

It is not a de Polignac number, because 14390663 - 2⁴ = 14390647 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 (14390633) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 127295 + ... + 127407.

It is an arithmetic number, because the mean of its divisors is an integer number (979108).

Almost surely, 2^14390663 is an apocalyptic number.

14390663 is a deficient number, since it is larger than the sum of its proper divisors (3233281).

14390663 is an equidigital number, since it uses as much as digits as its factorization.

14390663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 14390663 is about 3793.5027349404. The cubic root of 14390663 is about 243.2354855650.

The spelling of 14390663 in words is "fourteen million, three hundred ninety thousand, six hundred sixty-three".