44728589 has 2 divisors, whose sum is σ = 44728590. Its totient is φ = 44728588.

The previous prime is 44728573. The next prime is 44728601. The reversal of 44728589 is 98582744.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23843689 + 20884900 = 4883^2 + 4570^2 .

It is a cyclic number.

It is not a de Polignac number, because 44728589 - 2⁴ = 44728573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44728559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22364294 + 22364295.

It is an arithmetic number, because the mean of its divisors is an integer number (22364295).

Almost surely, 2^44728589 is an apocalyptic number.

It is an amenable number.

44728589 is a deficient number, since it is larger than the sum of its proper divisors (1).

44728589 is an equidigital number, since it uses as much as digits as its factorization.

44728589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 44728589 is about 6687.9435553838. The cubic root of 44728589 is about 354.9727916726.

The spelling of 44728589 in words is "forty-four million, seven hundred twenty-eight thousand, five hundred eighty-nine".