198174 has 8 divisors (see below), whose sum is σ = 396360. Its totient is φ = 66056.

The previous prime is 198173. The next prime is 198179. The reversal of 198174 is 471891.

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

198174 is an admirable number.

It is an Ulam number.

It is a Curzon 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 198174.

It is not an unprimeable number, because it can be changed into a prime (198173) 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, 16509 + ... + 16520.

It is an arithmetic number, because the mean of its divisors is an integer number (49545).

2¹⁹⁸¹⁷⁴ is an apocalyptic number.

198174 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198174 is a wasteful number, since it uses less digits than its factorization.

198174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33034.

The product of its digits is 2016, while the sum is 30.

The square root of 198174 is about 445.1673842500. The cubic root of 198174 is about 58.3018351492.

The spelling of 198174 in words is "one hundred ninety-eight thousand, one hundred seventy-four".