298818 has 24 divisors (see below), whose sum is σ = 697788. Its totient is φ = 91872.

The previous prime is 298817. The next prime is 298819. The reversal of 298818 is 818892.

It is an interprime number because it is at equal distance from previous prime (298817) and next prime (298819).

It can be written as a sum of positive squares in 2 ways, for example, as 294849 + 3969 = 543^2 + 63^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (298817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405 + ... + 872.

2²⁹⁸⁸¹⁸ is an apocalyptic number.

298818 is an abundant number, since it is smaller than the sum of its proper divisors (398970).

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

298818 is a wasteful number, since it uses less digits than its factorization.

298818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1295 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 298818 is about 546.6424791397. The cubic root of 298818 is about 66.8552604273.

The spelling of 298818 in words is "two hundred ninety-eight thousand, eight hundred eighteen".