198938395 has 8 divisors (see below), whose sum is σ = 238951440. Its totient is φ = 159000480.

The previous prime is 198938323. The next prime is 198938401. The reversal of 198938395 is 593839891.

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

It is not a de Polignac number, because 198938395 - 2¹⁹ = 198414107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12780 + ... + 23689.

It is an arithmetic number, because the mean of its divisors is an integer number (29868930).

Almost surely, 2^198938395 is an apocalyptic number.

198938395 is a deficient number, since it is larger than the sum of its proper divisors (40013045).

198938395 is a wasteful number, since it uses less digits than its factorization.

198938395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37565.

The product of its digits is 2099520, while the sum is 55.

The square root of 198938395 is about 14104.5522793175. The cubic root of 198938395 is about 583.7669941726.

The spelling of 198938395 in words is "one hundred ninety-eight million, nine hundred thirty-eight thousand, three hundred ninety-five".