198673312 has 12 divisors (see below), whose sum is σ = 391138146. Its totient is φ = 99336640.

The previous prime is 198673303. The next prime is 198673337. The reversal of 198673312 is 213376891.

198673312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136515856 + 62157456 = 11684^2 + 7884^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3104239 + ... + 3104302.

Almost surely, 2^198673312 is an apocalyptic number.

It is an amenable number.

198673312 is a deficient number, since it is larger than the sum of its proper divisors (192464834).

198673312 is an equidigital number, since it uses as much as digits as its factorization.

198673312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208551 (or 6208543 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 198673312 is about 14095.1520743836. The cubic root of 198673312 is about 583.5075914401.

The spelling of 198673312 in words is "one hundred ninety-eight million, six hundred seventy-three thousand, three hundred twelve".