860197 has 4 divisors (see below), whose sum is σ = 926380. Its totient is φ = 794016.

The previous prime is 860143. The next prime is 860239. The reversal of 860197 is 791068.

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

It can be written as a sum of positive squares in 2 ways, for example, as 261121 + 599076 = 511^2 + 774^2 .

It is a cyclic number.

It is not a de Polignac number, because 860197 - 2¹¹ = 858149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33072 + ... + 33097.

It is an arithmetic number, because the mean of its divisors is an integer number (231595).

2⁸⁶⁰¹⁹⁷ is an apocalyptic number.

It is an amenable number.

860197 is a deficient number, since it is larger than the sum of its proper divisors (66183).

860197 is a wasteful number, since it uses less digits than its factorization.

860197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66182.

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

The square root of 860197 is about 927.4680587492. The cubic root of 860197 is about 95.1041148476.

The spelling of 860197 in words is "eight hundred sixty thousand, one hundred ninety-seven".