44039393 has 2 divisors, whose sum is σ = 44039394. Its totient is φ = 44039392.

The previous prime is 44039389. The next prime is 44039407. The reversal of 44039393 is 39393044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23309584 + 20729809 = 4828^2 + 4553^2 .

It is a cyclic number.

It is not a de Polignac number, because 44039393 - 2² = 44039389 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44039323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22019696 + 22019697.

It is an arithmetic number, because the mean of its divisors is an integer number (22019697).

Almost surely, 2^44039393 is an apocalyptic number.

It is an amenable number.

44039393 is a deficient number, since it is larger than the sum of its proper divisors (1).

44039393 is an equidigital number, since it uses as much as digits as its factorization.

44039393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 44039393 is about 6636.2182754940. The cubic root of 44039393 is about 353.1401589337.

The spelling of 44039393 in words is "forty-four million, thirty-nine thousand, three hundred ninety-three".