198041842 has 8 divisors (see below), whose sum is σ = 297129456. Its totient is φ = 98998692.

The previous prime is 198041839. The next prime is 198041843. The reversal of 198041842 is 248140891.

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 (198041843) 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, 4293 + ... + 20359.

It is an arithmetic number, because the mean of its divisors is an integer number (37141182).

Almost surely, 2^198041842 is an apocalyptic number.

198041842 is a deficient number, since it is larger than the sum of its proper divisors (99087614).

198041842 is a wasteful number, since it uses less digits than its factorization.

198041842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22232.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 198041842 is about 14072.7339916592. The cubic root of 198041842 is about 582.8887218512. Note that the first 3 decimals are identical.

The spelling of 198041842 in words is "one hundred ninety-eight million, forty-one thousand, eight hundred forty-two".