298823 has 4 divisors (see below), whose sum is σ = 341520. Its totient is φ = 256128.

The previous prime is 298819. The next prime is 298841. The reversal of 298823 is 328892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 298823 - 2² = 298819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 298823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21338 + ... + 21351.

It is an arithmetic number, because the mean of its divisors is an integer number (85380).

2²⁹⁸⁸²³ is an apocalyptic number.

298823 is a deficient number, since it is larger than the sum of its proper divisors (42697).

298823 is an equidigital number, since it uses as much as digits as its factorization.

298823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42696.

The product of its digits is 6912, while the sum is 32.

The square root of 298823 is about 546.6470524937. The cubic root of 298823 is about 66.8556333125.

The spelling of 298823 in words is "two hundred ninety-eight thousand, eight hundred twenty-three".