198988480 has 56 divisors (see below), whose sum is σ = 478121472. Its totient is φ = 78876672.

The previous prime is 198988453. The next prime is 198988487. The reversal of 198988480 is 84889891.

It is not an unprimeable number, because it can be changed into a prime (198988487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33409 + ... + 38911.

Almost surely, 2^198988480 is an apocalyptic number.

198988480 is a gapful number since it is divisible by the number (10) 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 198988480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239060736).

198988480 is an abundant number, since it is smaller than the sum of its proper divisors (279132992).

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

198988480 is a wasteful number, since it uses less digits than its factorization.

198988480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633 (or 5623 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 55.

The square root of 198988480 is about 14106.3276581823. The cubic root of 198988480 is about 583.8159800518.

The spelling of 198988480 in words is "one hundred ninety-eight million, nine hundred eighty-eight thousand, four hundred eighty".