198563996 has 12 divisors (see below), whose sum is σ = 352381680. Its totient is φ = 97883520.

The previous prime is 198563933. The next prime is 198564001. The reversal of 198563996 is 699365891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349301 + ... + 349868.

It is an arithmetic number, because the mean of its divisors is an integer number (29365140).

Almost surely, 2^198563996 is an apocalyptic number.

It is an amenable number.

198563996 is a deficient number, since it is larger than the sum of its proper divisors (153817684).

198563996 is a wasteful number, since it uses less digits than its factorization.

198563996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699244 (or 699242 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 56.

The square root of 198563996 is about 14091.2737536392. The cubic root of 198563996 is about 583.4005506942.

The spelling of 198563996 in words is "one hundred ninety-eight million, five hundred sixty-three thousand, nine hundred ninety-six".