198567 has 6 divisors (see below), whose sum is σ = 286832. Its totient is φ = 132372.

The previous prime is 198553. The next prime is 198571. The reversal of 198567 is 765891.

198567 is a `hidden beast` number, since 1 + 98 + 567 = 666.

It is not a de Polignac number, because 198567 - 2⁶ = 198503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198967) 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, 11023 + ... + 11040.

2¹⁹⁸⁵⁶⁷ is an apocalyptic number.

198567 is a deficient number, since it is larger than the sum of its proper divisors (88265).

198567 is a wasteful number, since it uses less digits than its factorization.

198567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22069 (or 22066 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 198567 is about 445.6085726285. The cubic root of 198567 is about 58.3403492695.

The spelling of 198567 in words is "one hundred ninety-eight thousand, five hundred sixty-seven".