197447 has 4 divisors (see below), whose sum is σ = 201696. Its totient is φ = 193200.

The previous prime is 197441. The next prime is 197453. The reversal of 197447 is 744791.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (197441) and next prime (197453).

It is a cyclic number.

It is not a de Polignac number, because 197447 - 2⁶ = 197383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197441) 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, 2054 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (50424).

2¹⁹⁷⁴⁴⁷ is an apocalyptic number.

197447 is a deficient number, since it is larger than the sum of its proper divisors (4249).

197447 is an equidigital number, since it uses as much as digits as its factorization.

197447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248.

The product of its digits is 7056, while the sum is 32.

The square root of 197447 is about 444.3500872060. The cubic root of 197447 is about 58.2304544934.

The spelling of 197447 in words is "one hundred ninety-seven thousand, four hundred forty-seven".