198961203 has 8 divisors (see below), whose sum is σ = 303179008. Its totient is φ = 113692104.

The previous prime is 198961181. The next prime is 198961253. The reversal of 198961203 is 302169891.

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

It is not a de Polignac number, because 198961203 - 2⁵ = 198961171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198961253) 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, 4737151 + ... + 4737192.

It is an arithmetic number, because the mean of its divisors is an integer number (37897376).

Almost surely, 2^198961203 is an apocalyptic number.

198961203 is a deficient number, since it is larger than the sum of its proper divisors (104217805).

198961203 is an equidigital number, since it uses as much as digits as its factorization.

198961203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474353.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 198961203 is about 14105.3607894304. The cubic root of 198961203 is about 583.7893026680.

The spelling of 198961203 in words is "one hundred ninety-eight million, nine hundred sixty-one thousand, two hundred three".