298589 has 2 divisors, whose sum is σ = 298590. Its totient is φ = 298588.

The previous prime is 298583. The next prime is 298601. The reversal of 298589 is 985892.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280900 + 17689 = 530^2 + 133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298589 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149294 + 149295.

It is an arithmetic number, because the mean of its divisors is an integer number (149295).

2²⁹⁸⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

298589 is a deficient number, since it is larger than the sum of its proper divisors (1).

298589 is an equidigital number, since it uses as much as digits as its factorization.

298589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The square root of 298589 is about 546.4329785070. The cubic root of 298589 is about 66.8381778249.

The spelling of 298589 in words is "two hundred ninety-eight thousand, five hundred eighty-nine".