198471 has 16 divisors (see below), whose sum is σ = 326144. Its totient is φ = 104544.

The previous prime is 198469. The next prime is 198479. The reversal of 198471 is 174891.

198471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198471 - 2¹ = 198469 is a prime.

It is a super-3 number, since 3×198471³ = 23453757390123333, which contains 333 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is the 446-th Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198479) by changing a digit.

It is a nontrivial repunit in base 445.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91 + ... + 636.

It is an arithmetic number, because the mean of its divisors is an integer number (20384).

2¹⁹⁸⁴⁷¹ is an apocalyptic number.

198471 is a deficient number, since it is larger than the sum of its proper divisors (127673).

198471 is a wasteful number, since it uses less digits than its factorization.

198471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

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

The square root of 198471 is about 445.5008417500. The cubic root of 198471 is about 58.3309459340.

The spelling of 198471 in words is "one hundred ninety-eight thousand, four hundred seventy-one".