197867 has 4 divisors (see below), whose sum is σ = 204720. Its totient is φ = 191016.

The previous prime is 197837. The next prime is 197887. The reversal of 197867 is 768791.

It is a happy number.

197867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197867 - 2⁶ = 197803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197867.

It is not an unprimeable number, because it can be changed into a prime (197807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383 + ... + 3440.

It is an arithmetic number, because the mean of its divisors is an integer number (51180).

2¹⁹⁷⁸⁶⁷ is an apocalyptic number.

197867 is a deficient number, since it is larger than the sum of its proper divisors (6853).

197867 is an equidigital number, since it uses as much as digits as its factorization.

197867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852.

The product of its digits is 21168, while the sum is 38.

The square root of 197867 is about 444.8224364845. The cubic root of 197867 is about 58.2717136165.

The spelling of 197867 in words is "one hundred ninety-seven thousand, eight hundred sixty-seven".