4442993 has 2 divisors, whose sum is σ = 4442994. Its totient is φ = 4442992.

The previous prime is 4442989. The next prime is 4443037. The reversal of 4442993 is 3992444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4092529 + 350464 = 2023^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442993 - 2² = 4442989 is a prime.

It is not a weakly prime, because it can be changed into another prime (4442953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221496 + 2221497.

It is an arithmetic number, because the mean of its divisors is an integer number (2221497).

Almost surely, 2^4442993 is an apocalyptic number.

It is an amenable number.

4442993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442993 is an equidigital number, since it uses as much as digits as its factorization.

4442993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 4442993 is about 2107.8408383936. The cubic root of 4442993 is about 164.3962384909.

The spelling of 4442993 in words is "four million, four hundred forty-two thousand, nine hundred ninety-three".