198542853 has 8 divisors (see below), whose sum is σ = 294137600. Its totient is φ = 132361884.

The previous prime is 198542833. The next prime is 198542857. The reversal of 198542853 is 358245891.

It is not a de Polignac number, because 198542853 - 2⁵ = 198542821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198542799 and 198542808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198542857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3676693 + ... + 3676746.

It is an arithmetic number, because the mean of its divisors is an integer number (36767200).

Almost surely, 2^198542853 is an apocalyptic number.

It is an amenable number.

198542853 is a deficient number, since it is larger than the sum of its proper divisors (95594747).

198542853 is an equidigital number, since it uses as much as digits as its factorization.

198542853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353448 (or 7353442 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 198542853 is about 14090.5235175986. The cubic root of 198542853 is about 583.3798432213.

The spelling of 198542853 in words is "one hundred ninety-eight million, five hundred forty-two thousand, eight hundred fifty-three".