198433249 has 8 divisors (see below), whose sum is σ = 228093120. Its totient is φ = 169101456.

The previous prime is 198433247. The next prime is 198433327. The reversal of 198433249 is 942334891.

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 198433249 - 2¹ = 198433247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198433247) 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 in 7 ways as a sum of consecutive naturals, for example, 80719 + ... + 83140.

It is an arithmetic number, because the mean of its divisors is an integer number (28511640).

Almost surely, 2^198433249 is an apocalyptic number.

It is an amenable number.

198433249 is a deficient number, since it is larger than the sum of its proper divisors (29659871).

198433249 is a wasteful number, since it uses less digits than its factorization.

198433249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164039.

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

The square root of 198433249 is about 14086.6337000719. The cubic root of 198433249 is about 583.2724733967.

The spelling of 198433249 in words is "one hundred ninety-eight million, four hundred thirty-three thousand, two hundred forty-nine".