198490148 has 12 divisors (see below), whose sum is σ = 358563072. Its totient is φ = 96043560.

The previous prime is 198490129. The next prime is 198490151. The reversal of 198490148 is 841094891.

It is a junction number, because it is equal to n+sod(n) for n = 198490099 and 198490108.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 800240 + ... + 800487.

It is an arithmetic number, because the mean of its divisors is an integer number (29880256).

Almost surely, 2^198490148 is an apocalyptic number.

It is an amenable number.

198490148 is a deficient number, since it is larger than the sum of its proper divisors (160072924).

198490148 is a wasteful number, since it uses less digits than its factorization.

198490148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600762 (or 1600760 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 198490148 is about 14088.6531648699. The cubic root of 198490148 is about 583.3282174971.

The spelling of 198490148 in words is "one hundred ninety-eight million, four hundred ninety thousand, one hundred forty-eight".