197718852 has 24 divisors (see below), whose sum is σ = 461676096. Its totient is φ = 65858848.

The previous prime is 197718841. The next prime is 197718881. The reversal of 197718852 is 258817791.

It is a happy number.

197718852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14158 + ... + 24410.

It is an arithmetic number, because the mean of its divisors is an integer number (19236504).

Almost surely, 2^197718852 is an apocalyptic number.

197718852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197718852 is an abundant number, since it is smaller than the sum of its proper divisors (263957244).

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

197718852 is a wasteful number, since it uses less digits than its factorization.

197718852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11867 (or 11865 counting only the distinct ones).

The product of its digits is 282240, while the sum is 48.

The square root of 197718852 is about 14061.2535714281. The cubic root of 197718852 is about 582.5716681944.

The spelling of 197718852 in words is "one hundred ninety-seven million, seven hundred eighteen thousand, eight hundred fifty-two".