198546 has 8 divisors (see below), whose sum is σ = 397104. Its totient is φ = 66180.

The previous prime is 198533. The next prime is 198553. The reversal of 198546 is 645891.

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

198546 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

198546 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16540 + ... + 16551.

It is an arithmetic number, because the mean of its divisors is an integer number (49638).

2¹⁹⁸⁵⁴⁶ is an apocalyptic number.

198546 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.

198546 is a wasteful number, since it uses less digits than its factorization.

198546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33096.

The product of its digits is 8640, while the sum is 33.

The square root of 198546 is about 445.5850087245. The cubic root of 198546 is about 58.3382925489.

The spelling of 198546 in words is "one hundred ninety-eight thousand, five hundred forty-six".