197266 has 8 divisors (see below), whose sum is σ = 301644. Its totient is φ = 96720.

The previous prime is 197261. The next prime is 197269. The reversal of 197266 is 662791.

It can be written as a sum of positive squares in 2 ways, for example, as 184041 + 13225 = 429^2 + 115^2 .

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

It is not an unprimeable number, because it can be changed into a prime (197261) 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, 825 + ... + 1036.

2¹⁹⁷²⁶⁶ is an apocalyptic number.

197266 is a deficient number, since it is larger than the sum of its proper divisors (104378).

197266 is a wasteful number, since it uses less digits than its factorization.

197266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its digits is 4536, while the sum is 31.

The square root of 197266 is about 444.1463722693. The cubic root of 197266 is about 58.2126557347.

The spelling of 197266 in words is "one hundred ninety-seven thousand, two hundred sixty-six".