44028889 has 2 divisors, whose sum is σ = 44028890. Its totient is φ = 44028888.

The previous prime is 44028869. The next prime is 44028893. The reversal of 44028889 is 98882044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39690000 + 4338889 = 6300^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 44028889 - 2¹¹ = 44026841 is a prime.

It is not a weakly prime, because it can be changed into another prime (44028839) 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, 22014444 + 22014445.

It is an arithmetic number, because the mean of its divisors is an integer number (22014445).

Almost surely, 2^44028889 is an apocalyptic number.

It is an amenable number.

44028889 is a deficient number, since it is larger than the sum of its proper divisors (1).

44028889 is an equidigital number, since it uses as much as digits as its factorization.

44028889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 44028889 is about 6635.4268137023. The cubic root of 44028889 is about 353.1120804420.

The spelling of 44028889 in words is "forty-four million, twenty-eight thousand, eight hundred eighty-nine".