44039693 has 2 divisors, whose sum is σ = 44039694. Its totient is φ = 44039692.

The previous prime is 44039689. The next prime is 44039729. The reversal of 44039693 is 39693044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38217124 + 5822569 = 6182^2 + 2413^2 .

It is a cyclic number.

It is not a de Polignac number, because 44039693 - 2² = 44039689 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44039683) 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, 22019846 + 22019847.

It is an arithmetic number, because the mean of its divisors is an integer number (22019847).

Almost surely, 2^44039693 is an apocalyptic number.

It is an amenable number.

44039693 is a deficient number, since it is larger than the sum of its proper divisors (1).

44039693 is an equidigital number, since it uses as much as digits as its factorization.

44039693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 44039693 is about 6636.2408786903. The cubic root of 44039693 is about 353.1409608052.

The spelling of 44039693 in words is "forty-four million, thirty-nine thousand, six hundred ninety-three".