198475 has 12 divisors (see below), whose sum is σ = 261144. Its totient is φ = 149120.

The previous prime is 198469. The next prime is 198479. The reversal of 198475 is 574891.

198475 = T₄ + T₅ + ... + T₁₀₅.

It is a happy number.

198475 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 198475 - 2⁷ = 198347 is a prime.

It is a Duffinian number.

198475 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 198475.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192 + ... + 658.

It is an arithmetic number, because the mean of its divisors is an integer number (21762).

2¹⁹⁸⁴⁷⁵ is an apocalyptic number.

198475 is a deficient number, since it is larger than the sum of its proper divisors (62669).

198475 is a wasteful number, since it uses less digits than its factorization.

198475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 489 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 198475 is about 445.5053310568. The cubic root of 198475 is about 58.3313378002.

It can be divided in two parts, 19847 and 5, that multiplied together give a triangular number (99235 = T₄₄₅).

The spelling of 198475 in words is "one hundred ninety-eight thousand, four hundred seventy-five".