198924648 has 64 divisors (see below), whose sum is σ = 536914560. Its totient is φ = 61053696.

The previous prime is 198924589. The next prime is 198924653. The reversal of 198924648 is 846429891.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 198924648.

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, 226386 + ... + 227262.

It is an arithmetic number, because the mean of its divisors is an integer number (8389290).

Almost surely, 2^198924648 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 198924648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268457280).

198924648 is an abundant number, since it is smaller than the sum of its proper divisors (337989912).

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

198924648 is a wasteful number, since it uses less digits than its factorization.

198924648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1622 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 198924648 is about 14104.0649459650. The cubic root of 198924648 is about 583.7535474140.

The spelling of 198924648 in words is "one hundred ninety-eight million, nine hundred twenty-four thousand, six hundred forty-eight".