198210842 has 16 divisors (see below), whose sum is σ = 305337600. Its totient is φ = 96467280.

The previous prime is 198210827. The next prime is 198210863. The reversal of 198210842 is 248012891.

198210842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2384 + ... + 20052.

It is an arithmetic number, because the mean of its divisors is an integer number (19083600).

Almost surely, 2^198210842 is an apocalyptic number.

198210842 is a deficient number, since it is larger than the sum of its proper divisors (107126758).

198210842 is a wasteful number, since it uses less digits than its factorization.

198210842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17821.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 198210842 is about 14078.7372303058. The cubic root of 198210842 is about 583.0544783826.

The spelling of 198210842 in words is "one hundred ninety-eight million, two hundred ten thousand, eight hundred forty-two".