198271912 has 8 divisors (see below), whose sum is σ = 371759850. Its totient is φ = 99135952.

The previous prime is 198271903. The next prime is 198271921. The reversal of 198271912 is 219172891.

198271912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (198271903) and next prime (198271921).

It can be written as a sum of positive squares in only one way, i.e., 139381636 + 58890276 = 11806^2 + 7674^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12391987 + ... + 12392002.

Almost surely, 2^198271912 is an apocalyptic number.

It is an amenable number.

198271912 is a deficient number, since it is larger than the sum of its proper divisors (173487938).

198271912 is a wasteful number, since it uses less digits than its factorization.

198271912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24783995 (or 24783991 counting only the distinct ones).

The product of its digits is 18144, while the sum is 40.

The square root of 198271912 is about 14080.9059367642. The cubic root of 198271912 is about 583.1143531442.

The spelling of 198271912 in words is "one hundred ninety-eight million, two hundred seventy-one thousand, nine hundred twelve".