14443921 has 2 divisors, whose sum is σ = 14443922. Its totient is φ = 14443920.

The previous prime is 14443901. The next prime is 14443937. The reversal of 14443921 is 12934441.

14443921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13771521 + 672400 = 3711^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 14443921 - 2⁵ = 14443889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14443921.

It is not a weakly prime, because it can be changed into another prime (14443901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7221960 + 7221961.

It is an arithmetic number, because the mean of its divisors is an integer number (7221961).

Almost surely, 2^14443921 is an apocalyptic number.

It is an amenable number.

14443921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14443921 is an equidigital number, since it uses as much as digits as its factorization.

14443921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 14443921 is about 3800.5158860344. The cubic root of 14443921 is about 243.5351772843.

The spelling of 14443921 in words is "fourteen million, four hundred forty-three thousand, nine hundred twenty-one".