198473328 has 100 divisors (see below), whose sum is σ = 590107320. Its totient is φ = 64354176.

The previous prime is 198473309. The next prime is 198473357. The reversal of 198473328 is 823374891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45883 + ... + 50021.

Almost surely, 2^198473328 is an apocalyptic number.

198473328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198473328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295053660).

198473328 is an abundant number, since it is smaller than the sum of its proper divisors (391633992).

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

198473328 is a wasteful number, since it uses less digits than its factorization.

198473328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196 (or 4181 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 198473328 is about 14088.0562179458. The cubic root of 198473328 is about 583.3117400079.

The spelling of 198473328 in words is "one hundred ninety-eight million, four hundred seventy-three thousand, three hundred twenty-eight".