198196004 has 6 divisors (see below), whose sum is σ = 346843014. Its totient is φ = 99098000.

The previous prime is 198196001. The next prime is 198196007. The reversal of 198196004 is 400691891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (198196001) and next prime (198196007).

It can be written as a sum of positive squares in only one way, i.e., 182196004 + 16000000 = 13498^2 + 4000^2 .

It is not an unprimeable number, because it can be changed into a prime (198196001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24774497 + ... + 24774504.

It is an arithmetic number, because the mean of its divisors is an integer number (57807169).

Almost surely, 2^198196004 is an apocalyptic number.

It is an amenable number.

198196004 is a deficient number, since it is larger than the sum of its proper divisors (148647010).

198196004 is a wasteful number, since it uses less digits than its factorization.

198196004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49549005 (or 49549003 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 198196004 is about 14078.2102555687. The cubic root of 198196004 is about 583.0399289292.

The spelling of 198196004 in words is "one hundred ninety-eight million, one hundred ninety-six thousand, four".