198381914 has 8 divisors (see below), whose sum is σ = 300462240. Its totient is φ = 98227836.

The previous prime is 198381913. The next prime is 198381917. The reversal of 198381914 is 419183891.

198381914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (198381913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481304 + ... + 481715.

It is an arithmetic number, because the mean of its divisors is an integer number (37557780).

Almost surely, 2^198381914 is an apocalyptic number.

198381914 is a deficient number, since it is larger than the sum of its proper divisors (102080326).

198381914 is a wasteful number, since it uses less digits than its factorization.

198381914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963124.

The product of its digits is 62208, while the sum is 44.

The square root of 198381914 is about 14084.8114648369. The cubic root of 198381914 is about 583.2221712170. Note that the first 3 decimals are identical.

The spelling of 198381914 in words is "one hundred ninety-eight million, three hundred eighty-one thousand, nine hundred fourteen".