198192850 has 12 divisors (see below), whose sum is σ = 368638794. Its totient is φ = 79277120.

The previous prime is 198192833. The next prime is 198192853. The reversal of 198192850 is 58291891.

198192850 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 3 ways, for example, as 179104689 + 19088161 = 13383^2 + 4369^2 .

It is a super-2 number, since 2×198192850² = 78560811582245000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198192797 and 198192806.

It is not an unprimeable number, because it can be changed into a prime (198192853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1981879 + ... + 1981978.

Almost surely, 2^198192850 is an apocalyptic number.

198192850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198192850 is a deficient number, since it is larger than the sum of its proper divisors (170445944).

198192850 is a wasteful number, since it uses less digits than its factorization.

198192850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963869 (or 3963864 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 198192850 is about 14078.0982380434. The cubic root of 198192850 is about 583.0368361698.

The spelling of 198192850 in words is "one hundred ninety-eight million, one hundred ninety-two thousand, eight hundred fifty".