298679 has 2 divisors, whose sum is σ = 298680. Its totient is φ = 298678.

The previous prime is 298667. The next prime is 298681. The reversal of 298679 is 976892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298679 - 2¹⁶ = 233143 is a prime.

Together with 298681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149339 + 149340.

It is an arithmetic number, because the mean of its divisors is an integer number (149340).

2²⁹⁸⁶⁷⁹ is an apocalyptic number.

298679 is a deficient number, since it is larger than the sum of its proper divisors (1).

298679 is an equidigital number, since it uses as much as digits as its factorization.

298679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 298679 is about 546.5153245793. The cubic root of 298679 is about 66.8448925529.

The spelling of 298679 in words is "two hundred ninety-eight thousand, six hundred seventy-nine".