861160 has 16 divisors (see below), whose sum is σ = 1937700. Its totient is φ = 344448.

The previous prime is 861139. The next prime is 861163. The reversal of 861160 is 61168.

861160 is nontrivially palindromic in base 3.

861160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 806404 + 54756 = 898^2 + 234^2 .

It is not an unprimeable number, because it can be changed into a prime (861163) by changing a digit.

861160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10725 + ... + 10804.

2⁸⁶¹¹⁶⁰ is an apocalyptic number.

It is an amenable number.

861160 is an abundant number, since it is smaller than the sum of its proper divisors (1076540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

861160 is a wasteful number, since it uses less digits than its factorization.

861160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21540 (or 21536 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 861160 is about 927.9870688754. The cubic root of 861160 is about 95.1395916461.

The spelling of 861160 in words is "eight hundred sixty-one thousand, one hundred sixty".