298563 has 8 divisors (see below), whose sum is σ = 415488. Its totient is φ = 190344.

The previous prime is 298559. The next prime is 298579. The reversal of 298563 is 365892.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 298563 - 2² = 298559 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 9² + 5⁶ + 8⁶ + 6 + 3⁹ .

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

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 7 ways as a sum of consecutive naturals, for example, 2095 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (51936).

2²⁹⁸⁵⁶³ is an apocalyptic number.

298563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

298563 is a deficient number, since it is larger than the sum of its proper divisors (116925).

298563 is a wasteful number, since it uses less digits than its factorization.

298563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353.

The product of its digits is 12960, while the sum is 33.

The square root of 298563 is about 546.4091873313. The cubic root of 298563 is about 66.8362377634.

It can be divided in two parts, 298 and 563, that added together give a triangular number (861 = T₄₁).

The spelling of 298563 in words is "two hundred ninety-eight thousand, five hundred sixty-three".