89044289 has 2 divisors, whose sum is σ = 89044290. Its totient is φ = 89044288.

The previous prime is 89044259. The next prime is 89044313. The reversal of 89044289 is 98244098.

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., 78021889 + 11022400 = 8833^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 89044289 - 2¹⁶ = 88978753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89044259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44522144 + 44522145.

It is an arithmetic number, because the mean of its divisors is an integer number (44522145).

Almost surely, 2^89044289 is an apocalyptic number.

It is an amenable number.

89044289 is a deficient number, since it is larger than the sum of its proper divisors (1).

89044289 is an equidigital number, since it uses as much as digits as its factorization.

89044289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 89044289 is about 9436.3281524118. The cubic root of 89044289 is about 446.5485568635.

The spelling of 89044289 in words is "eighty-nine million, forty-four thousand, two hundred eighty-nine".