198194683 has 2 divisors, whose sum is σ = 198194684. Its totient is φ = 198194682.

The previous prime is 198194663. The next prime is 198194701. The reversal of 198194683 is 386491891.

It is a strong prime.

It is an emirp because it is prime and its reverse (386491891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198194683 - 2¹³ = 198186491 is a prime.

It is a super-2 number, since 2×198194683² = 78562264738940978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (198194663) 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 as a sum of consecutive naturals, namely, 99097341 + 99097342.

It is an arithmetic number, because the mean of its divisors is an integer number (99097342).

Almost surely, 2^198194683 is an apocalyptic number.

198194683 is a deficient number, since it is larger than the sum of its proper divisors (1).

198194683 is an equidigital number, since it uses as much as digits as its factorization.

198194683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 49.

The square root of 198194683 is about 14078.1633390155. The cubic root of 198194683 is about 583.0386335828.

The spelling of 198194683 in words is "one hundred ninety-eight million, one hundred ninety-four thousand, six hundred eighty-three".