298289 has 4 divisors (see below), whose sum is σ = 299556. Its totient is φ = 297024.

The previous prime is 298283. The next prime is 298303. The reversal of 298289 is 982892.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 43264 + 255025 = 208^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 298289 - 2¹⁶ = 232753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (298283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164 + ... + 789.

It is an arithmetic number, because the mean of its divisors is an integer number (74889).

2²⁹⁸²⁸⁹ is an apocalyptic number.

It is an amenable number.

298289 is a deficient number, since it is larger than the sum of its proper divisors (1267).

298289 is an equidigital number, since it uses as much as digits as its factorization.

298289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266.

The product of its digits is 20736, while the sum is 38.

The square root of 298289 is about 546.1584019312. The cubic root of 298289 is about 66.8157856487.

The spelling of 298289 in words is "two hundred ninety-eight thousand, two hundred eighty-nine".