198800042 has 8 divisors (see below), whose sum is σ = 340800096. Its totient is φ = 85200012.

The previous prime is 198800033. The next prime is 198800047. The reversal of 198800042 is 240008891.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 198799981 and 198800008.

It is not an unprimeable number, because it can be changed into a prime (198800047) 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, 7099988 + ... + 7100015.

It is an arithmetic number, because the mean of its divisors is an integer number (42600012).

Almost surely, 2^198800042 is an apocalyptic number.

198800042 is a deficient number, since it is larger than the sum of its proper divisors (142000054).

198800042 is a wasteful number, since it uses less digits than its factorization.

198800042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14200012.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 198800042 is about 14099.6468750107. The cubic root of 198800042 is about 583.6316346052.

The spelling of 198800042 in words is "one hundred ninety-eight million, eight hundred thousand, forty-two".