198808512 has 112 divisors (see below), whose sum is σ = 612721152. Its totient is φ = 55710720.

The previous prime is 198808499. The next prime is 198808529. The reversal of 198808512 is 215808891.

198808512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69837 + ... + 72627.

Almost surely, 2^198808512 is an apocalyptic number.

198808512 is a gapful number since it is divisible by the number (12) 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 198808512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306360576).

198808512 is an abundant number, since it is smaller than the sum of its proper divisors (413912640).

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

198808512 is a wasteful number, since it uses less digits than its factorization.

198808512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 42.

The square root of 198808512 is about 14099.9472339438. The cubic root of 198808512 is about 583.6399231510.

The spelling of 198808512 in words is "one hundred ninety-eight million, eight hundred eight thousand, five hundred twelve".