198343249 has 8 divisors (see below), whose sum is σ = 216789440. Its totient is φ = 180352656.

The previous prime is 198343247. The next prime is 198343253. The reversal of 198343249 is 942343891.

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 198343249 - 2¹ = 198343247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198343247) 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, 112989 + ... + 114730.

It is an arithmetic number, because the mean of its divisors is an integer number (27098680).

Almost surely, 2^198343249 is an apocalyptic number.

It is an amenable number.

198343249 is a deficient number, since it is larger than the sum of its proper divisors (18446191).

198343249 is a wasteful number, since it uses less digits than its factorization.

198343249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227799.

The product of its digits is 186624, while the sum is 43.

The square root of 198343249 is about 14083.4388201178. The cubic root of 198343249 is about 583.1842783970.

The spelling of 198343249 in words is "one hundred ninety-eight million, three hundred forty-three thousand, two hundred forty-nine".