198025472 has 18 divisors (see below), whose sum is σ = 395277918. Its totient is φ = 99012608.

The previous prime is 198025453. The next prime is 198025481. The reversal of 198025472 is 274520891.

It can be written as a sum of positive squares in only one way, i.e., 106172416 + 91853056 = 10304^2 + 9584^2 .

It is a super-4 number, since 4×198025472⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386513 + ... + 387024.

Almost surely, 2^198025472 is an apocalyptic number.

It is an amenable number.

198025472 is a deficient number, since it is larger than the sum of its proper divisors (197252446).

198025472 is an frugal number, since it uses more digits than its factorization.

198025472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773553 (or 773539 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 198025472 is about 14072.1523584703. The cubic root of 198025472 is about 582.8726610174.

The spelling of 198025472 in words is "one hundred ninety-eight million, twenty-five thousand, four hundred seventy-two".