197268217 has 8 divisors (see below), whose sum is σ = 206611200. Its totient is φ = 187989120.

The previous prime is 197268209. The next prime is 197268229. The reversal of 197268217 is 712862791.

197268217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197268217 - 2³ = 197268209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197268257) 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, 9592 + ... + 22057.

It is an arithmetic number, because the mean of its divisors is an integer number (25826400).

Almost surely, 2^197268217 is an apocalyptic number.

It is an amenable number.

197268217 is a deficient number, since it is larger than the sum of its proper divisors (9342983).

197268217 is a wasteful number, since it uses less digits than its factorization.

197268217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31943.

The product of its digits is 84672, while the sum is 43.

The square root of 197268217 is about 14045.2204325884. The cubic root of 197268217 is about 582.1287381079.

The spelling of 197268217 in words is "one hundred ninety-seven million, two hundred sixty-eight thousand, two hundred seventeen".