198857368 has 24 divisors (see below), whose sum is σ = 378259740. Its totient is φ = 98008400.

The previous prime is 198857359. The next prime is 198857371. The reversal of 198857368 is 863758891.

198857368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37863 + ... + 42793.

Almost surely, 2^198857368 is an apocalyptic number.

It is an amenable number.

198857368 is a deficient number, since it is larger than the sum of its proper divisors (179402372).

198857368 is an equidigital number, since it uses as much as digits as its factorization.

198857368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079 (or 5004 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 55.

The square root of 198857368 is about 14101.6796162727. The cubic root of 198857368 is about 583.6877279060.

The spelling of 198857368 in words is "one hundred ninety-eight million, eight hundred fifty-seven thousand, three hundred sixty-eight".