44897089 has 2 divisors, whose sum is σ = 44897090. Its totient is φ = 44897088.

The previous prime is 44897087. The next prime is 44897113. The reversal of 44897089 is 98079844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 15737089 = 5400^2 + 3967^2 .

It is a cyclic number.

It is not a de Polignac number, because 44897089 - 2¹ = 44897087 is a prime.

Together with 44897087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44897087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22448544 + 22448545.

It is an arithmetic number, because the mean of its divisors is an integer number (22448545).

Almost surely, 2^44897089 is an apocalyptic number.

It is an amenable number.

44897089 is a deficient number, since it is larger than the sum of its proper divisors (1).

44897089 is an equidigital number, since it uses as much as digits as its factorization.

44897089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 44897089 is about 6700.5290089664. The cubic root of 44897089 is about 355.4179801985.

The spelling of 44897089 in words is "forty-four million, eight hundred ninety-seven thousand, eighty-nine".