198028320 has 96 divisors (see below), whose sum is σ = 712914048. Its totient is φ = 45262848.

The previous prime is 198028309. The next prime is 198028351. The reversal of 198028320 is 23820891.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26109 + ... + 32828.

It is an arithmetic number, because the mean of its divisors is an integer number (7426188).

Almost surely, 2^198028320 is an apocalyptic number.

198028320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198028320 is an abundant number, since it is smaller than the sum of its proper divisors (514885728).

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

198028320 is a wasteful number, since it uses less digits than its factorization.

198028320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58962 (or 58954 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 198028320 is about 14072.2535508709. The cubic root of 198028320 is about 582.8754552933.

The spelling of 198028320 in words is "one hundred ninety-eight million, twenty-eight thousand, three hundred twenty".