198898 has 8 divisors (see below), whose sum is σ = 340992. Its totient is φ = 85236.

The previous prime is 198859. The next prime is 198899. The reversal of 198898 is 898891.

198898 = T₁₂₇ + T₁₂₈ + ... + T₁₄₇.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (198899) 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, 7090 + ... + 7117.

It is an arithmetic number, because the mean of its divisors is an integer number (42624).

2¹⁹⁸⁸⁹⁸ is an apocalyptic number.

198898 is a deficient number, since it is larger than the sum of its proper divisors (142094).

198898 is a wasteful number, since it uses less digits than its factorization.

198898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14216.

The product of its digits is 41472, while the sum is 43.

The square root of 198898 is about 445.9798201713. The cubic root of 198898 is about 58.3727479655.

The spelling of 198898 in words is "one hundred ninety-eight thousand, eight hundred ninety-eight".