889289 has 2 divisors, whose sum is σ = 889290. Its totient is φ = 889288.

The previous prime is 889279. The next prime is 889309. The reversal of 889289 is 982988.

889289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 840889 + 48400 = 917^2 + 220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889289 is a prime.

It is not a weakly prime, because it can be changed into another prime (889279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444644 + 444645.

It is an arithmetic number, because the mean of its divisors is an integer number (444645).

2⁸⁸⁹²⁸⁹ is an apocalyptic number.

It is an amenable number.

889289 is a deficient number, since it is larger than the sum of its proper divisors (1).

889289 is an equidigital number, since it uses as much as digits as its factorization.

889289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 44.

The square root of 889289 is about 943.0212086692. The cubic root of 889289 is about 96.1643956917.

The spelling of 889289 in words is "eight hundred eighty-nine thousand, two hundred eighty-nine".