198082789 has 8 divisors (see below), whose sum is σ = 206530560. Its totient is φ = 189742896.

The previous prime is 198082747. The next prime is 198082813. The reversal of 198082789 is 987280891.

198082789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198082789 - 2²¹ = 195985637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198082289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23209 + ... + 30574.

It is an arithmetic number, because the mean of its divisors is an integer number (25816320).

Almost surely, 2^198082789 is an apocalyptic number.

It is an amenable number.

198082789 is a deficient number, since it is larger than the sum of its proper divisors (8447771).

198082789 is a wasteful number, since it uses less digits than its factorization.

198082789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53939.

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 198082789 is about 14074.1887510435. The cubic root of 198082789 is about 582.9288916447.

It can be divided in two parts, 19 and 8082789, that added together give a palindrome (8082808).

The spelling of 198082789 in words is "one hundred ninety-eight million, eighty-two thousand, seven hundred eighty-nine".