860217 has 16 divisors (see below), whose sum is σ = 1233792. Its totient is φ = 531200.

The previous prime is 860143. The next prime is 860239. The reversal of 860217 is 712068.

It is a cyclic number.

It is not a de Polignac number, because 860217 - 2⁷ = 860089 is a prime.

860217 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (860257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5068 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (77112).

2⁸⁶⁰²¹⁷ is an apocalyptic number.

It is an amenable number.

860217 is a deficient number, since it is larger than the sum of its proper divisors (373575).

860217 is a wasteful number, since it uses less digits than its factorization.

860217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 860217 is about 927.4788407290. The cubic root of 860217 is about 95.1048519143.

The spelling of 860217 in words is "eight hundred sixty thousand, two hundred seventeen".