198432113 has 8 divisors (see below), whose sum is σ = 217021440. Its totient is φ = 179934480.

The previous prime is 198432089. The next prime is 198432127. The reversal of 198432113 is 311234891.

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

It is not a de Polignac number, because 198432113 - 2⁶ = 198432049 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 198432113.

It is not an unprimeable number, because it can be changed into a prime (198432133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18353 + ... + 27086.

It is an arithmetic number, because the mean of its divisors is an integer number (27127680).

Almost surely, 2^198432113 is an apocalyptic number.

It is an amenable number.

198432113 is a deficient number, since it is larger than the sum of its proper divisors (18589327).

198432113 is a wasteful number, since it uses less digits than its factorization.

198432113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45847.

The product of its digits is 5184, while the sum is 32.

The square root of 198432113 is about 14086.5933781025. The cubic root of 198432113 is about 583.2713603460.

The spelling of 198432113 in words is "one hundred ninety-eight million, four hundred thirty-two thousand, one hundred thirteen".