198091246 has 8 divisors (see below), whose sum is σ = 297261864. Its totient is φ = 99003960.

The previous prime is 198091237. The next prime is 198091247. The reversal of 198091246 is 642190891.

198091246 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 198091199 and 198091208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198091247) 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, 14505 + ... + 24628.

It is an arithmetic number, because the mean of its divisors is an integer number (37157733).

Almost surely, 2^198091246 is an apocalyptic number.

198091246 is a deficient number, since it is larger than the sum of its proper divisors (99170618).

198091246 is a wasteful number, since it uses less digits than its factorization.

198091246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41666.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 198091246 is about 14074.4891914414. The cubic root of 198091246 is about 582.9371874344.

The spelling of 198091246 in words is "one hundred ninety-eight million, ninety-one thousand, two hundred forty-six".