198205946 has 8 divisors (see below), whose sum is σ = 297611904. Its totient is φ = 99001980.

The previous prime is 198205921. The next prime is 198205949. The reversal of 198205946 is 649502891.

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

198205946 is a modest number, since divided by 5946 gives 1982 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 198205897 and 198205906.

It is not an unprimeable number, because it can be changed into a prime (198205949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48020 + ... + 51983.

It is an arithmetic number, because the mean of its divisors is an integer number (37201488).

Almost surely, 2^198205946 is an apocalyptic number.

198205946 is a deficient number, since it is larger than the sum of its proper divisors (99405958).

198205946 is a wasteful number, since it uses less digits than its factorization.

198205946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100996.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 198205946 is about 14078.5633500013. The cubic root of 198205946 is about 583.0496776728.

The spelling of 198205946 in words is "one hundred ninety-eight million, two hundred five thousand, nine hundred forty-six".