198483728 has 80 divisors (see below), whose sum is σ = 419973120. Its totient is φ = 90574848.

The previous prime is 198483707. The next prime is 198483751. The reversal of 198483728 is 827384891.

198483728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562801 + ... + 1562927.

It is an arithmetic number, because the mean of its divisors is an integer number (5249664).

Almost surely, 2^198483728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198483728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209986560).

198483728 is an abundant number, since it is smaller than the sum of its proper divisors (221489392).

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

198483728 is a wasteful number, since it uses less digits than its factorization.

198483728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 298 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 198483728 is about 14088.4253200988. The cubic root of 198483728 is about 583.3219283394.

The spelling of 198483728 in words is "one hundred ninety-eight million, four hundred eighty-three thousand, seven hundred twenty-eight".