198518848 has 56 divisors (see below), whose sum is σ = 431413920. Its totient is φ = 89886720.

The previous prime is 198518797. The next prime is 198518849. The reversal of 198518848 is 848815891.

It is a super-2 number, since 2×198518848² = 78819466022494208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198518795 and 198518804.

It is not an unprimeable number, because it can be changed into a prime (198518849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294640 + ... + 295312.

It is an arithmetic number, because the mean of its divisors is an integer number (7703820).

Almost surely, 2^198518848 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 198518848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215706960).

198518848 is an abundant number, since it is smaller than the sum of its proper divisors (232895072).

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

198518848 is a wasteful number, since it uses less digits than its factorization.

198518848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1105 counting only the distinct ones).

The product of its digits is 737280, while the sum is 52.

The square root of 198518848 is about 14089.6716782188. The cubic root of 198518848 is about 583.3563309210.

The spelling of 198518848 in words is "one hundred ninety-eight million, five hundred eighteen thousand, eight hundred forty-eight".