298423 has 4 divisors (see below), whose sum is σ = 301320. Its totient is φ = 295528.

The previous prime is 298411. The next prime is 298427. The reversal of 298423 is 324892.

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 298423 - 2⁹ = 297911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 298391 and 298400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298427) 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, 1288 + ... + 1501.

It is an arithmetic number, because the mean of its divisors is an integer number (75330).

2²⁹⁸⁴²³ is an apocalyptic number.

298423 is a deficient number, since it is larger than the sum of its proper divisors (2897).

298423 is a wasteful number, since it uses less digits than its factorization.

298423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896.

The product of its digits is 3456, while the sum is 28.

The square root of 298423 is about 546.2810631900. The cubic root of 298423 is about 66.8257893419.

The spelling of 298423 in words is "two hundred ninety-eight thousand, four hundred twenty-three".