198824 has 16 divisors (see below), whose sum is σ = 386100. Its totient is φ = 95872.

The previous prime is 198823. The next prime is 198827. The reversal of 198824 is 428891.

It is a happy number.

198824 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 184900 + 13924 = 430^2 + 118^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198823) 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, 197 + ... + 660.

2¹⁹⁸⁸²⁴ is an apocalyptic number.

It is an amenable number.

198824 is a deficient number, since it is larger than the sum of its proper divisors (187276).

198824 is a wasteful number, since it uses less digits than its factorization.

198824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 888 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 198824 is about 445.8968490582. The cubic root of 198824 is about 58.3655078740.

The spelling of 198824 in words is "one hundred ninety-eight thousand, eight hundred twenty-four".