198136896 has 56 divisors (see below), whose sum is σ = 534155904. Its totient is φ = 64796160.

The previous prime is 198136859. The next prime is 198136901. The reversal of 198136896 is 698631891.

It is a super-3 number, since 3×198136896³ (a number of 26 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 441 + ... + 19911.

Almost surely, 2^198136896 is an apocalyptic number.

198136896 is a gapful number since it is divisible by the number (16) 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 198136896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267077952).

198136896 is an abundant number, since it is smaller than the sum of its proper divisors (336019008).

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

198136896 is a wasteful number, since it uses less digits than its factorization.

198136896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19539 (or 19529 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 198136896 is about 14076.1108265032. The cubic root of 198136896 is about 582.9819631615.

The spelling of 198136896 in words is "one hundred ninety-eight million, one hundred thirty-six thousand, eight hundred ninety-six".