198385475 has 12 divisors (see below), whose sum is σ = 246182160. Its totient is φ = 158589600.

The previous prime is 198385471. The next prime is 198385487. The reversal of 198385475 is 574583891.

It is not a de Polignac number, because 198385475 - 2² = 198385471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198385471) 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, 48770 + ... + 52680.

It is an arithmetic number, because the mean of its divisors is an integer number (20515180).

Almost surely, 2^198385475 is an apocalyptic number.

198385475 is a deficient number, since it is larger than the sum of its proper divisors (47796685).

198385475 is a wasteful number, since it uses less digits than its factorization.

198385475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950 (or 5945 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 198385475 is about 14084.9378770373. The cubic root of 198385475 is about 583.2256608525.

The spelling of 198385475 in words is "one hundred ninety-eight million, three hundred eighty-five thousand, four hundred seventy-five".