198886 has 8 divisors (see below), whose sum is σ = 300240. Its totient is φ = 98808.

The previous prime is 198859. The next prime is 198899. The reversal of 198886 is 688891.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375 + ... + 733.

It is an arithmetic number, because the mean of its divisors is an integer number (37530).

2¹⁹⁸⁸⁸⁶ is an apocalyptic number.

198886 is a deficient number, since it is larger than the sum of its proper divisors (101354).

198886 is a wasteful number, since it uses less digits than its factorization.

198886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638.

The product of its digits is 27648, while the sum is 40.

The square root of 198886 is about 445.9663664448. The cubic root of 198886 is about 58.3715740186.

The spelling of 198886 in words is "one hundred ninety-eight thousand, eight hundred eighty-six".