298743 has 4 divisors (see below), whose sum is σ = 398328. Its totient is φ = 199160.

The previous prime is 298733. The next prime is 298757. The reversal of 298743 is 347892.

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 298743 - 2⁶ = 298679 is a prime.

It is a D-number.

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

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49788 + ... + 49793.

It is an arithmetic number, because the mean of its divisors is an integer number (99582).

2²⁹⁸⁷⁴³ is an apocalyptic number.

298743 is a deficient number, since it is larger than the sum of its proper divisors (99585).

298743 is an equidigital number, since it uses as much as digits as its factorization.

298743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99584.

The product of its digits is 12096, while the sum is 33.

The square root of 298743 is about 546.5738742384. The cubic root of 298743 is about 66.8496666499.

The spelling of 298743 in words is "two hundred ninety-eight thousand, seven hundred forty-three".