298506 has 32 divisors (see below), whose sum is σ = 665280. Its totient is φ = 88704.

The previous prime is 298483. The next prime is 298513. The reversal of 298506 is 605892.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298506.

It is an unprimeable number.

298506 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3310 + ... + 3398.

It is an arithmetic number, because the mean of its divisors is an integer number (20790).

2²⁹⁸⁵⁰⁶ is an apocalyptic number.

298506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 298506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332640).

298506 is an abundant number, since it is smaller than the sum of its proper divisors (366774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298506 is a wasteful number, since it uses less digits than its factorization.

298506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 298506 is about 546.3570261285. The cubic root of 298506 is about 66.8319841575.

The spelling of 298506 in words is "two hundred ninety-eight thousand, five hundred six".