197841868 has 24 divisors (see below), whose sum is σ = 402393600. Its totient is φ = 83351568.

The previous prime is 197841863. The next prime is 197841881. The reversal of 197841868 is 868148791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (197841863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58228 + ... + 61531.

It is an arithmetic number, because the mean of its divisors is an integer number (16766400).

Almost surely, 2^197841868 is an apocalyptic number.

It is an amenable number.

197841868 is an abundant number, since it is smaller than the sum of its proper divisors (204551732).

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

197841868 is a wasteful number, since it uses less digits than its factorization.

197841868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119829 (or 119827 counting only the distinct ones).

The product of its digits is 774144, while the sum is 52.

The square root of 197841868 is about 14065.6271811818. The cubic root of 197841868 is about 582.6924639234.

The spelling of 197841868 in words is "one hundred ninety-seven million, eight hundred forty-one thousand, eight hundred sixty-eight".