4447943 has 2 divisors, whose sum is σ = 4447944. Its totient is φ = 4447942.

The previous prime is 4447913. The next prime is 4447987. The reversal of 4447943 is 3497444.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4447943 - 2⁶ = 4447879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4447903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2223971 + 2223972.

It is an arithmetic number, because the mean of its divisors is an integer number (2223972).

Almost surely, 2^4447943 is an apocalyptic number.

4447943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4447943 is an equidigital number, since it uses as much as digits as its factorization.

4447943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 4447943 is about 2109.0146988582. The cubic root of 4447943 is about 164.4572678736.

The spelling of 4447943 in words is "four million, four hundred forty-seven thousand, nine hundred forty-three".