298687 has 2 divisors, whose sum is σ = 298688. Its totient is φ = 298686.

The previous prime is 298681. The next prime is 298691. The reversal of 298687 is 786892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298687 - 2³ = 298679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149343 + 149344.

It is an arithmetic number, because the mean of its divisors is an integer number (149344).

2²⁹⁸⁶⁸⁷ is an apocalyptic number.

298687 is a deficient number, since it is larger than the sum of its proper divisors (1).

298687 is an equidigital number, since it uses as much as digits as its factorization.

298687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 298687 is about 546.5226436297. The cubic root of 298687 is about 66.8454893523.

It can be divided in two parts, 2 and 98687, that added together give a palindrome (98689).

The spelling of 298687 in words is "two hundred ninety-eight thousand, six hundred eighty-seven".