243415198 has 8 divisors (see below), whose sum is σ = 393209208. Its totient is φ = 112345464.

The previous prime is 243415189. The next prime is 243415199. The reversal of 243415198 is 891514342.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243415199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4681036 + ... + 4681087.

It is an arithmetic number, because the mean of its divisors is an integer number (49151151).

Almost surely, 2^243415198 is an apocalyptic number.

243415198 is a deficient number, since it is larger than the sum of its proper divisors (149794010).

243415198 is a wasteful number, since it uses less digits than its factorization.

243415198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362138.

The product of its digits is 34560, while the sum is 37.

The square root of 243415198 is about 15601.7690663591. The cubic root of 243415198 is about 624.3803548268.

The spelling of 243415198 in words is "two hundred forty-three million, four hundred fifteen thousand, one hundred ninety-eight".