860811 has 16 divisors (see below), whose sum is σ = 1324800. Its totient is φ = 487008.

The previous prime is 860809. The next prime is 860813. The reversal of 860811 is 118068.

It is an interprime number because it is at equal distance from previous prime (860809) and next prime (860813).

It is not a de Polignac number, because 860811 - 2¹ = 860809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (860813) 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, 3645 + ... + 3873.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2⁸⁶⁰⁸¹¹ is an apocalyptic number.

860811 is a deficient number, since it is larger than the sum of its proper divisors (463989).

860811 is a wasteful number, since it uses less digits than its factorization.

860811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 860811 is about 927.7990084065. The cubic root of 860811 is about 95.1267375873.

Adding to 860811 its reverse (118068), we get a palindrome (978879).

The spelling of 860811 in words is "eight hundred sixty thousand, eight hundred eleven".