889597 has 2 divisors, whose sum is σ = 889598. Its totient is φ = 889596.

The previous prime is 889589. The next prime is 889631. The reversal of 889597 is 795988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599076 + 290521 = 774^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 889597 - 2³ = 889589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889697) 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, 444798 + 444799.

It is an arithmetic number, because the mean of its divisors is an integer number (444799).

2⁸⁸⁹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

889597 is a deficient number, since it is larger than the sum of its proper divisors (1).

889597 is an equidigital number, since it uses as much as digits as its factorization.

889597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 46.

The square root of 889597 is about 943.1844994485. The cubic root of 889597 is about 96.1754964007.

The spelling of 889597 in words is "eight hundred eighty-nine thousand, five hundred ninety-seven".