198603000 has 96 divisors (see below), whose sum is σ = 671308560. Its totient is φ = 52958400.

The previous prime is 198602977. The next prime is 198603001. The reversal of 198603000 is 306891.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198603001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2034 + ... + 20033.

Almost surely, 2^198603000 is an apocalyptic number.

198603000 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 198603000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335654280).

198603000 is an abundant number, since it is smaller than the sum of its proper divisors (472705560).

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

198603000 is a wasteful number, since it uses less digits than its factorization.

198603000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22094 (or 22077 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 198603000 is about 14092.6576627689. The cubic root of 198603000 is about 583.4387473894.

Adding to 198603000 its reverse (306891), we get a palindrome (198909891).

The spelling of 198603000 in words is "one hundred ninety-eight million, six hundred three thousand".