198599960 has 64 divisors (see below), whose sum is σ = 482781600. Its totient is φ = 73092096.

The previous prime is 198599953. The next prime is 198599969. The reversal of 198599960 is 69995891.

198599960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×198599960² = 78883888224003200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198599896 and 198599905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198599969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320531 + ... + 321149.

Almost surely, 2^198599960 is an apocalyptic number.

198599960 is a gapful number since it is divisible by the number (10) 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 198599960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241390800).

198599960 is an abundant number, since it is smaller than the sum of its proper divisors (284181640).

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

198599960 is a wasteful number, since it uses less digits than its factorization.

198599960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 56.

The square root of 198599960 is about 14092.5498047727. The cubic root of 198599960 is about 583.4357704910.

The spelling of 198599960 in words is "one hundred ninety-eight million, five hundred ninety-nine thousand, nine hundred sixty".