198033994 has 4 divisors (see below), whose sum is σ = 297050994. Its totient is φ = 99016996.

The previous prime is 198033971. The next prime is 198034051. The reversal of 198033994 is 499330891.

198033994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114768369 + 83265625 = 10713^2 + 9125^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49508497 + ... + 49508500.

Almost surely, 2^198033994 is an apocalyptic number.

198033994 is a deficient number, since it is larger than the sum of its proper divisors (99017000).

198033994 is an equidigital number, since it uses as much as digits as its factorization.

198033994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99016999.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 198033994 is about 14072.4551518205. The cubic root of 198033994 is about 582.8810221801.

The spelling of 198033994 in words is "one hundred ninety-eight million, thirty-three thousand, nine hundred ninety-four".