198596608 has 72 divisors (see below), whose sum is σ = 462161700. Its totient is φ = 85069824.

The previous prime is 198596591. The next prime is 198596609. The reversal of 198596608 is 806695891.

It is a super-2 number, since 2×198596608² = 78881225418211328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198596609) 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 5 ways as a sum of consecutive naturals, for example, 99363 + ... + 101341.

Almost surely, 2^198596608 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 198596608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231080850).

198596608 is an abundant number, since it is smaller than the sum of its proper divisors (263565092).

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

198596608 is an equidigital number, since it uses as much as digits as its factorization.

198596608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 198596608 is about 14092.4308761831. The cubic root of 198596608 is about 583.4324880337.

The spelling of 198596608 in words is "one hundred ninety-eight million, five hundred ninety-six thousand, six hundred eight".