197240196 has 12 divisors (see below), whose sum is σ = 460227152. Its totient is φ = 65746728.

The previous prime is 197240191. The next prime is 197240207. The reversal of 197240196 is 691042791.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (197240191) 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, 8218330 + ... + 8218353.

Almost surely, 2^197240196 is an apocalyptic number.

It is an amenable number.

197240196 is an abundant number, since it is smaller than the sum of its proper divisors (262986956).

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

197240196 is a wasteful number, since it uses less digits than its factorization.

197240196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16436690 (or 16436688 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 197240196 is about 14044.2228692085. Note that the first 3 decimals coincide. The cubic root of 197240196 is about 582.1011739416.

The spelling of 197240196 in words is "one hundred ninety-seven million, two hundred forty thousand, one hundred ninety-six".