298238 has 4 divisors (see below), whose sum is σ = 447360. Its totient is φ = 149118.

The previous prime is 298237. The next prime is 298247. The reversal of 298238 is 832892.

It is a happy number.

298238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298237) 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 as a sum of consecutive naturals, namely, 74558 + ... + 74561.

It is an arithmetic number, because the mean of its divisors is an integer number (111840).

2²⁹⁸²³⁸ is an apocalyptic number.

298238 is a deficient number, since it is larger than the sum of its proper divisors (149122).

298238 is a wasteful number, since it uses less digits than its factorization.

298238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149121.

The product of its digits is 6912, while the sum is 32.

The square root of 298238 is about 546.1117101839. Note that the first 3 decimals coincide. The cubic root of 298238 is about 66.8119774858.

The spelling of 298238 in words is "two hundred ninety-eight thousand, two hundred thirty-eight".