198682432 has 28 divisors (see below), whose sum is σ = 424589956. Its totient is φ = 91699200.

The previous prime is 198682409. The next prime is 198682439. The reversal of 198682432 is 234286891.

It can be written as a sum of positive squares in 2 ways, for example, as 8904256 + 189778176 = 2984^2 + 13776^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198682439) 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, 118569 + ... + 120232.

It is an arithmetic number, because the mean of its divisors is an integer number (15163927).

Almost surely, 2^198682432 is an apocalyptic number.

It is an amenable number.

198682432 is an abundant number, since it is smaller than the sum of its proper divisors (225907524).

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

198682432 is a wasteful number, since it uses less digits than its factorization.

198682432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238826 (or 238816 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 198682432 is about 14095.4755861588. The cubic root of 198682432 is about 583.5165198459.

The spelling of 198682432 in words is "one hundred ninety-eight million, six hundred eighty-two thousand, four hundred thirty-two".