198435242 has 8 divisors (see below), whose sum is σ = 297712800. Its totient is φ = 99197644.

The previous prime is 198435241. The next prime is 198435277. The reversal of 198435242 is 242534891.

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 = 198435196 and 198435205.

It is not an unprimeable number, because it can be changed into a prime (198435241) 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, 13109 + ... + 23847.

It is an arithmetic number, because the mean of its divisors is an integer number (37214100).

Almost surely, 2^198435242 is an apocalyptic number.

198435242 is a deficient number, since it is larger than the sum of its proper divisors (99277558).

198435242 is a wasteful number, since it uses less digits than its factorization.

198435242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19980.

The product of its digits is 69120, while the sum is 38.

The square root of 198435242 is about 14086.7044407129. The cubic root of 198435242 is about 583.2744261241.

The spelling of 198435242 in words is "one hundred ninety-eight million, four hundred thirty-five thousand, two hundred forty-two".