298198 has 4 divisors (see below), whose sum is σ = 447300. Its totient is φ = 149098.

The previous prime is 298187. The next prime is 298201. The reversal of 298198 is 891892.

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

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74548 + ... + 74551.

It is an arithmetic number, because the mean of its divisors is an integer number (111825).

2²⁹⁸¹⁹⁸ is an apocalyptic number.

298198 is a deficient number, since it is larger than the sum of its proper divisors (149102).

298198 is a wasteful number, since it uses less digits than its factorization.

298198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149101.

The product of its digits is 10368, while the sum is 37.

The square root of 298198 is about 546.0750864121. The cubic root of 298198 is about 66.8089903876.

It can be divided in two parts, 298 and 198, that added together give a triangular number (496 = T₃₁).

The spelling of 298198 in words is "two hundred ninety-eight thousand, one hundred ninety-eight".