198367442 has 32 divisors (see below), whose sum is σ = 368323200. Its totient is φ = 78023808.

The previous prime is 198367439. The next prime is 198367447. The reversal of 198367442 is 244763891.

It is a junction number, because it is equal to n+sod(n) for n = 198367393 and 198367402.

It is not an unprimeable number, because it can be changed into a prime (198367447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29534 + ... + 35622.

It is an arithmetic number, because the mean of its divisors is an integer number (11510100).

Almost surely, 2^198367442 is an apocalyptic number.

198367442 is a deficient number, since it is larger than the sum of its proper divisors (169955758).

198367442 is a wasteful number, since it uses less digits than its factorization.

198367442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290.

The product of its digits is 290304, while the sum is 44.

The square root of 198367442 is about 14084.2977105712. The cubic root of 198367442 is about 583.2079888144.

The spelling of 198367442 in words is "one hundred ninety-eight million, three hundred sixty-seven thousand, four hundred forty-two".