298879 has 4 divisors (see below), whose sum is σ = 341584. Its totient is φ = 256176.

The previous prime is 298861. The next prime is 298897. The reversal of 298879 is 978892.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (298861) and next prime (298897).

It is a cyclic number.

It is not a de Polignac number, because 298879 - 2⁵ = 298847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21342 + ... + 21355.

It is an arithmetic number, because the mean of its divisors is an integer number (85396).

2²⁹⁸⁸⁷⁹ is an apocalyptic number.

298879 is a deficient number, since it is larger than the sum of its proper divisors (42705).

298879 is an equidigital number, since it uses as much as digits as its factorization.

298879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42704.

The product of its digits is 72576, while the sum is 43.

The square root of 298879 is about 546.6982714441. The cubic root of 298879 is about 66.8598093427.

The spelling of 298879 in words is "two hundred ninety-eight thousand, eight hundred seventy-nine".