198867 has 8 divisors (see below), whose sum is σ = 267520. Its totient is φ = 131400.

The previous prime is 198859. The next prime is 198899. The reversal of 198867 is 768891.

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

It is not a de Polignac number, because 198867 - 2³ = 198859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198867.

It is not an unprimeable number, because it can be changed into a prime (198817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (33440).

2¹⁹⁸⁸⁶⁷ is an apocalyptic number.

198867 is a deficient number, since it is larger than the sum of its proper divisors (68653).

198867 is a wasteful number, since it uses less digits than its factorization.

198867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its digits is 24192, while the sum is 39.

The square root of 198867 is about 445.9450638812. The cubic root of 198867 is about 58.3697151728.

The spelling of 198867 in words is "one hundred ninety-eight thousand, eight hundred sixty-seven".