198208475 has 24 divisors (see below), whose sum is σ = 267654000. Its totient is φ = 145031040.

The previous prime is 198208453. The next prime is 198208523. The reversal of 198208475 is 574802891.

It is not a de Polignac number, because 198208475 - 2²⁰ = 197159899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6581 + ... + 20969.

It is an arithmetic number, because the mean of its divisors is an integer number (11152250).

Almost surely, 2^198208475 is an apocalyptic number.

198208475 is a deficient number, since it is larger than the sum of its proper divisors (69445525).

198208475 is a wasteful number, since it uses less digits than its factorization.

198208475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14447 (or 14442 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 198208475 is about 14078.6531671179. The cubic root of 198208475 is about 583.0521574611.

The spelling of 198208475 in words is "one hundred ninety-eight million, two hundred eight thousand, four hundred seventy-five".