198299912 has 32 divisors (see below), whose sum is σ = 385781400. Its totient is φ = 95445504.

The previous prime is 198299891. The next prime is 198299923. The reversal of 198299912 is 219992891.

198299912 = 2009² + 2010² + ... + 2056².

It can be written as a sum of positive squares in 4 ways, for example, as 144336196 + 53963716 = 12014^2 + 7346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91028 + ... + 93180.

Almost surely, 2^198299912 is an apocalyptic number.

It is an amenable number.

198299912 is a deficient number, since it is larger than the sum of its proper divisors (187481488).

198299912 is a wasteful number, since it uses less digits than its factorization.

198299912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2581 counting only the distinct ones).

The product of its digits is 209952, while the sum is 50.

The square root of 198299912 is about 14081.9001558739. The cubic root of 198299912 is about 583.1418010283.

The spelling of 198299912 in words is "one hundred ninety-eight million, two hundred ninety-nine thousand, nine hundred twelve".