198495475 has 18 divisors (see below), whose sum is σ = 248946740. Its totient is φ = 156994320.

The previous prime is 198495457. The next prime is 198495499. The reversal of 198495475 is 574594891.

It is not a de Polignac number, because 198495475 - 2⁵ = 198495443 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 17 ways as a sum of consecutive naturals, for example, 830406 + ... + 830644.

Almost surely, 2^198495475 is an apocalyptic number.

198495475 is a deficient number, since it is larger than the sum of its proper divisors (50451265).

198495475 is an equidigital number, since it uses as much as digits as its factorization.

198495475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 383 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 52.

The square root of 198495475 is about 14088.8422164492. The cubic root of 198495475 is about 583.3334358276. Note that the first 3 decimals are identical.

The spelling of 198495475 in words is "one hundred ninety-eight million, four hundred ninety-five thousand, four hundred seventy-five".