198204983 has 2 divisors, whose sum is σ = 198204984. Its totient is φ = 198204982.

The previous prime is 198204901. The next prime is 198204991. The reversal of 198204983 is 389402891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198204983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198204583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99102491 + 99102492.

It is an arithmetic number, because the mean of its divisors is an integer number (99102492).

Almost surely, 2^198204983 is an apocalyptic number.

198204983 is a deficient number, since it is larger than the sum of its proper divisors (1).

198204983 is an equidigital number, since it uses as much as digits as its factorization.

198204983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 198204983 is about 14078.5291490269. The cubic root of 198204983 is about 583.0487334062.

The spelling of 198204983 in words is "one hundred ninety-eight million, two hundred four thousand, nine hundred eighty-three".