44443439 has 2 divisors, whose sum is σ = 44443440. Its totient is φ = 44443438.

The previous prime is 44443433. The next prime is 44443447. The reversal of 44443439 is 93434444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44443439 - 2¹⁶ = 44377903 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 44443399 and 44443408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44443433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22221719 + 22221720.

It is an arithmetic number, because the mean of its divisors is an integer number (22221720).

Almost surely, 2^44443439 is an apocalyptic number.

44443439 is a deficient number, since it is larger than the sum of its proper divisors (1).

44443439 is an equidigital number, since it uses as much as digits as its factorization.

44443439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 35.

The square root of 44443439 is about 6666.5912579068. The cubic root of 44443439 is about 354.2168519303.

The spelling of 44443439 in words is "forty-four million, four hundred forty-three thousand, four hundred thirty-nine".