198701836 has 6 divisors (see below), whose sum is σ = 347728220. Its totient is φ = 99350916.

The previous prime is 198701819. The next prime is 198701837. The reversal of 198701836 is 638107891.

198701836 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 198701792 and 198701801.

It is not an unprimeable number, because it can be changed into a prime (198701837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24837726 + ... + 24837733.

Almost surely, 2^198701836 is an apocalyptic number.

It is an amenable number.

198701836 is a deficient number, since it is larger than the sum of its proper divisors (149026384).

198701836 is a wasteful number, since it uses less digits than its factorization.

198701836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49675463 (or 49675461 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 198701836 is about 14096.1638753244. The cubic root of 198701836 is about 583.5355152948.

The spelling of 198701836 in words is "one hundred ninety-eight million, seven hundred one thousand, eight hundred thirty-six".