198808704 has 192 divisors, whose sum is σ = 623750400. Its totient is φ = 60549120.

The previous prime is 198808691. The next prime is 198808741. The reversal of 198808704 is 407808891.

198808704 = T₂₂₇ + T₂₂₈ + ... + T₁₀₆₃.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 198808704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678382 + ... + 678674.

It is an arithmetic number, because the mean of its divisors is an integer number (3248700).

Almost surely, 2^198808704 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 198808704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311875200).

198808704 is an abundant number, since it is smaller than the sum of its proper divisors (424941696).

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

198808704 is a wasteful number, since it uses less digits than its factorization.

198808704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 198808704 is about 14099.9540424783. The cubic root of 198808704 is about 583.6401110350.

The spelling of 198808704 in words is "one hundred ninety-eight million, eight hundred eight thousand, seven hundred four".