198559249 has 8 divisors (see below), whose sum is σ = 230771520. Its totient is φ = 167308656.

The previous prime is 198559243. The next prime is 198559307. The reversal of 198559249 is 942955891.

198559249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198559249 - 2⁵ = 198559217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198559196 and 198559205.

It is not an unprimeable number, because it can be changed into a prime (198559243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239974 + ... + 240799.

It is an arithmetic number, because the mean of its divisors is an integer number (28846440).

Almost surely, 2^198559249 is an apocalyptic number.

It is an amenable number.

198559249 is a deficient number, since it is larger than the sum of its proper divisors (32212271).

198559249 is an equidigital number, since it uses as much as digits as its factorization.

198559249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480839.

The product of its digits is 1166400, while the sum is 52.

The square root of 198559249 is about 14091.1053150560. The cubic root of 198559249 is about 583.3959016062.

The spelling of 198559249 in words is "one hundred ninety-eight million, five hundred fifty-nine thousand, two hundred forty-nine".