198038343 has 8 divisors (see below), whose sum is σ = 264128256. Its totient is φ = 131987000.

The previous prime is 198038299. The next prime is 198038353. The reversal of 198038343 is 343830891.

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 198038343 - 2¹⁰ = 198037319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198038353) 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, 5938 + ... + 20768.

It is an arithmetic number, because the mean of its divisors is an integer number (33016032).

Almost surely, 2^198038343 is an apocalyptic number.

198038343 is a deficient number, since it is larger than the sum of its proper divisors (66089913).

198038343 is a wasteful number, since it uses less digits than its factorization.

198038343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19285.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 198038343 is about 14072.6096726940. The cubic root of 198038343 is about 582.8852890082.

The spelling of 198038343 in words is "one hundred ninety-eight million, thirty-eight thousand, three hundred forty-three".