197247 has 8 divisors (see below), whose sum is σ = 270256. Its totient is φ = 127872.

The previous prime is 197243. The next prime is 197257. The reversal of 197247 is 742791.

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

It is not a de Polignac number, because 197247 - 2² = 197243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197247.

It is not an unprimeable number, because it can be changed into a prime (197243) 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, 778 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (33782).

2¹⁹⁷²⁴⁷ is an apocalyptic number.

197247 is a deficient number, since it is larger than the sum of its proper divisors (73009).

197247 is a wasteful number, since it uses less digits than its factorization.

197247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817.

The product of its digits is 3528, while the sum is 30.

The square root of 197247 is about 444.1249824092. The cubic root of 197247 is about 58.2107867254.

It can be divided in two parts, 197 and 247, that added together give a palindrome (444).

The spelling of 197247 in words is "one hundred ninety-seven thousand, two hundred forty-seven".