198433363 has 4 divisors (see below), whose sum is σ = 198494128. Its totient is φ = 198372600.

The previous prime is 198433337. The next prime is 198433379. The reversal of 198433363 is 363334891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363334891 = 19 ⋅19122889.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198433363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198433463) 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, 25188 + ... + 32113.

It is an arithmetic number, because the mean of its divisors is an integer number (49623532).

Almost surely, 2^198433363 is an apocalyptic number.

198433363 is a deficient number, since it is larger than the sum of its proper divisors (60765).

198433363 is an equidigital number, since it uses as much as digits as its factorization.

198433363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60764.

The product of its digits is 139968, while the sum is 40.

The square root of 198433363 is about 14086.6377464603. The cubic root of 198433363 is about 583.2725850934.

The spelling of 198433363 in words is "one hundred ninety-eight million, four hundred thirty-three thousand, three hundred sixty-three".