198133604 has 6 divisors (see below), whose sum is σ = 346733814. Its totient is φ = 99066800.

The previous prime is 198133601. The next prime is 198133609. The reversal of 198133604 is 406331891.

It can be written as a sum of positive squares in only one way, i.e., 165071104 + 33062500 = 12848^2 + 5750^2 .

It is a super-3 number, since 3×198133604³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (198133601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24766697 + ... + 24766704.

It is an arithmetic number, because the mean of its divisors is an integer number (57788969).

Almost surely, 2^198133604 is an apocalyptic number.

It is an amenable number.

198133604 is a deficient number, since it is larger than the sum of its proper divisors (148600210).

198133604 is a wasteful number, since it uses less digits than its factorization.

198133604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49533405 (or 49533403 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 198133604 is about 14075.9938903084. The cubic root of 198133604 is about 582.9787344389.

The spelling of 198133604 in words is "one hundred ninety-eight million, one hundred thirty-three thousand, six hundred four".