298783 has 4 divisors (see below), whose sum is σ = 299880. Its totient is φ = 297688.

The previous prime is 298777. The next prime is 298799. The reversal of 298783 is 387892.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 298783 - 2¹⁷ = 167711 is a prime.

It is a d-powerful number, because it can be written as 2² + 9² + 7⁵ + 8² + 8⁶ + 3⁹ .

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 (298723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216 + ... + 802.

It is an arithmetic number, because the mean of its divisors is an integer number (74970).

2²⁹⁸⁷⁸³ is an apocalyptic number.

298783 is a deficient number, since it is larger than the sum of its proper divisors (1097).

298783 is an equidigital number, since it uses as much as digits as its factorization.

298783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 24192, while the sum is 37.

The square root of 298783 is about 546.6104645906. The cubic root of 298783 is about 66.8526501143.

It can be divided in two parts, 298 and 783, that added together give a triangular number (1081 = T₄₆).

The spelling of 298783 in words is "two hundred ninety-eight thousand, seven hundred eighty-three".