197868 has 24 divisors (see below), whose sum is σ = 504000. Its totient is φ = 59920.

The previous prime is 197837. The next prime is 197887. The reversal of 197868 is 868791.

It is a nialpdrome in base 12.

It is an unprimeable number.

197868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2¹⁹⁷⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

197868 is an abundant number, since it is smaller than the sum of its proper divisors (306132).

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

197868 is a wasteful number, since it uses less digits than its factorization.

197868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1515 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 197868 is about 444.8235605271. The cubic root of 197868 is about 58.2718117828.

It can be divided in two parts, 19 and 7868, that added together give a palindrome (7887).

The spelling of 197868 in words is "one hundred ninety-seven thousand, eight hundred sixty-eight".