298685 has 16 divisors (see below), whose sum is σ = 387072. Its totient is φ = 220800.

The previous prime is 298681. The next prime is 298687. The reversal of 298685 is 586892.

It is not a de Polignac number, because 298685 - 2² = 298681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298685.

It is not an unprimeable number, because it can be changed into a prime (298681) 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 in 15 ways as a sum of consecutive naturals, for example, 6332 + ... + 6378.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2²⁹⁸⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

298685 is a deficient number, since it is larger than the sum of its proper divisors (88387).

298685 is a wasteful number, since it uses less digits than its factorization.

298685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124.

The product of its digits is 34560, while the sum is 38.

The square root of 298685 is about 546.5208138763. The cubic root of 298685 is about 66.8453401534.

The spelling of 298685 in words is "two hundred ninety-eight thousand, six hundred eighty-five".