198704 has 20 divisors (see below), whose sum is σ = 420360. Its totient is φ = 90240.

The previous prime is 198701. The next prime is 198719. The reversal of 198704 is 407891.

It is not an unprimeable number, because it can be changed into a prime (198701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389 + ... + 740.

It is an arithmetic number, because the mean of its divisors is an integer number (21018).

2¹⁹⁸⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

198704 is an abundant number, since it is smaller than the sum of its proper divisors (221656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198704 is a wasteful number, since it uses less digits than its factorization.

198704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 198704 is about 445.7622684795. The cubic root of 198704 is about 58.3537633655.

The spelling of 198704 in words is "one hundred ninety-eight thousand, seven hundred four".