89189 has 2 divisors, whose sum is σ = 89190. Its totient is φ = 89188.

The previous prime is 89153. The next prime is 89203. The reversal of 89189 is 98198.

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., 58564 + 30625 = 242^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 89189 - 2¹² = 85093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44594 + 44595.

It is an arithmetic number, because the mean of its divisors is an integer number (44595).

2⁸⁹¹⁸⁹ is an apocalyptic number.

It is an amenable number.

89189 is a deficient number, since it is larger than the sum of its proper divisors (1).

89189 is an equidigital number, since it uses as much as digits as its factorization.

89189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 35.

The square root of 89189 is about 298.6452745315. The cubic root of 89189 is about 44.6790329860.

Subtracting 89189 from its reverse (98198), we obtain a palindrome (9009).

The spelling of 89189 in words is "eighty-nine thousand, one hundred eighty-nine".