298169 has 2 divisors, whose sum is σ = 298170. Its totient is φ = 298168.

The previous prime is 298159. The next prime is 298171. The reversal of 298169 is 961892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238144 + 60025 = 488^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 298169 - 2⁴ = 298153 is a prime.

It is a super-2 number, since 2×298169² = 177809505122, which contains 22 as substring.

Together with 298171, it forms a pair of twin primes.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (298159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149084 + 149085.

It is an arithmetic number, because the mean of its divisors is an integer number (149085).

2²⁹⁸¹⁶⁹ is an apocalyptic number.

It is an amenable number.

298169 is a deficient number, since it is larger than the sum of its proper divisors (1).

298169 is an equidigital number, since it uses as much as digits as its factorization.

298169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 298169 is about 546.0485326416. The cubic root of 298169 is about 66.8068245744.

The spelling of 298169 in words is "two hundred ninety-eight thousand, one hundred sixty-nine".