198936373 has 4 divisors (see below), whose sum is σ = 199423180. Its totient is φ = 198449568.

The previous prime is 198936371. The next prime is 198936421. The reversal of 198936373 is 373639891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186950929 + 11985444 = 13673^2 + 3462^2 .

It is a cyclic number.

It is not a de Polignac number, because 198936373 - 2¹ = 198936371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198936371) 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 3 ways as a sum of consecutive naturals, for example, 242790 + ... + 243607.

It is an arithmetic number, because the mean of its divisors is an integer number (49855795).

Almost surely, 2^198936373 is an apocalyptic number.

It is an amenable number.

198936373 is a deficient number, since it is larger than the sum of its proper divisors (486807).

198936373 is an equidigital number, since it uses as much as digits as its factorization.

198936373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486806.

The product of its digits is 734832, while the sum is 49.

The square root of 198936373 is about 14104.4806001497. The cubic root of 198936373 is about 583.7650163729.

The spelling of 198936373 in words is "one hundred ninety-eight million, nine hundred thirty-six thousand, three hundred seventy-three".