197086 has 4 divisors (see below), whose sum is σ = 295632. Its totient is φ = 98542.

The previous prime is 197083. The next prime is 197089. The reversal of 197086 is 680791.

197086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680791 = 31 ⋅21961.

It is an interprime number because it is at equal distance from previous prime (197083) and next prime (197089).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49270 + ... + 49273.

It is an arithmetic number, because the mean of its divisors is an integer number (73908).

2¹⁹⁷⁰⁸⁶ is an apocalyptic number.

197086 is a deficient number, since it is larger than the sum of its proper divisors (98546).

197086 is an equidigital number, since it uses as much as digits as its factorization.

197086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98545.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 197086 is about 443.9436901230. The cubic root of 197086 is about 58.1949445111.

The spelling of 197086 in words is "one hundred ninety-seven thousand, eighty-six".