198027 has 6 divisors (see below), whose sum is σ = 286052. Its totient is φ = 132012.

The previous prime is 198017. The next prime is 198031. The reversal of 198027 is 720891.

It is not a de Polignac number, because 198027 - 2⁶ = 197963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10993 + ... + 11010.

2¹⁹⁸⁰²⁷ is an apocalyptic number.

198027 is a deficient number, since it is larger than the sum of its proper divisors (88025).

198027 is a wasteful number, since it uses less digits than its factorization.

198027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22009 (or 22006 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 198027 is about 445.0022471853. The cubic root of 198027 is about 58.2874160197.

The spelling of 198027 in words is "one hundred ninety-eight thousand, twenty-seven".