298799 has 2 divisors, whose sum is σ = 298800. Its totient is φ = 298798.

The previous prime is 298777. The next prime is 298801. The reversal of 298799 is 997892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298799 - 2¹² = 294703 is a prime.

It is a Sophie Germain prime.

Together with 298801, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298709) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149399 + 149400.

It is an arithmetic number, because the mean of its divisors is an integer number (149400).

2²⁹⁸⁷⁹⁹ is an apocalyptic number.

298799 is a deficient number, since it is larger than the sum of its proper divisors (1).

298799 is an equidigital number, since it uses as much as digits as its factorization.

298799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 298799 is about 546.6251000457. The cubic root of 298799 is about 66.8538434255.

The spelling of 298799 in words is "two hundred ninety-eight thousand, seven hundred ninety-nine".