298543 has 4 divisors (see below), whose sum is σ = 341200. Its totient is φ = 255888.

The previous prime is 298513. The next prime is 298559. The reversal of 298543 is 345892.

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 298543 - 2⁹ = 298031 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 9³ + 5³ + 8⁵ + 4⁹ + 3⁶ .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298513) 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, 21318 + ... + 21331.

It is an arithmetic number, because the mean of its divisors is an integer number (85300).

2²⁹⁸⁵⁴³ is an apocalyptic number.

298543 is a deficient number, since it is larger than the sum of its proper divisors (42657).

298543 is an equidigital number, since it uses as much as digits as its factorization.

298543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42656.

The product of its digits is 8640, while the sum is 31.

The square root of 298543 is about 546.3908857219. The cubic root of 298543 is about 66.8347453318.

It can be divided in two parts, 298 and 543, that added together give a square (841 = 29²).

The spelling of 298543 in words is "two hundred ninety-eight thousand, five hundred forty-three".