198333473 has 8 divisors (see below), whose sum is σ = 217620648. Its totient is φ = 179622144.

The previous prime is 198333469. The next prime is 198333479. The reversal of 198333473 is 374333891.

It can be written as a sum of positive squares in 4 ways, for example, as 37246609 + 161086864 = 6103^2 + 12692^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198333473 - 2² = 198333469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198333473.

It is not an unprimeable number, because it can be changed into a prime (198333479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143240 + ... + 144617.

It is an arithmetic number, because the mean of its divisors is an integer number (27202581).

Almost surely, 2^198333473 is an apocalyptic number.

198333473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

198333473 is a deficient number, since it is larger than the sum of its proper divisors (19287175).

198333473 is a wasteful number, since it uses less digits than its factorization.

198333473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287923.

The product of its digits is 163296, while the sum is 41.

The square root of 198333473 is about 14083.0917415176. The cubic root of 198333473 is about 583.1746968539.

The spelling of 198333473 in words is "one hundred ninety-eight million, three hundred thirty-three thousand, four hundred seventy-three".