298189 has 4 divisors (see below), whose sum is σ = 307840. Its totient is φ = 288540.

The previous prime is 298187. The next prime is 298201. The reversal of 298189 is 981892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 298189 - 2¹ = 298187 is a prime.

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

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298187) 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, 4779 + ... + 4840.

It is an arithmetic number, because the mean of its divisors is an integer number (76960).

2²⁹⁸¹⁸⁹ is an apocalyptic number.

It is an amenable number.

298189 is a deficient number, since it is larger than the sum of its proper divisors (9651).

298189 is an equidigital number, since it uses as much as digits as its factorization.

298189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9650.

The product of its digits is 10368, while the sum is 37.

The square root of 298189 is about 546.0668457250. The cubic root of 298189 is about 66.8083182537.

The spelling of 298189 in words is "two hundred ninety-eight thousand, one hundred eighty-nine".