9944393 has 2 divisors, whose sum is σ = 9944394. Its totient is φ = 9944392.

The previous prime is 9944387. The next prime is 9944423. The reversal of 9944393 is 3934499.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6091024 + 3853369 = 2468^2 + 1963^2 .

It is an emirp because it is prime and its reverse (3934499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9944393 - 2⁴ = 9944377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9944393.

It is not a weakly prime, because it can be changed into another prime (9944093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4972196 + 4972197.

It is an arithmetic number, because the mean of its divisors is an integer number (4972197).

Almost surely, 2^9944393 is an apocalyptic number.

It is an amenable number.

9944393 is a deficient number, since it is larger than the sum of its proper divisors (1).

9944393 is an equidigital number, since it uses as much as digits as its factorization.

9944393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 9944393 is about 3153.4731646234. The cubic root of 9944393 is about 215.0433876741.

The spelling of 9944393 in words is "nine million, nine hundred forty-four thousand, three hundred ninety-three".