861068 has 24 divisors (see below), whose sum is σ = 1681680. Its totient is φ = 383040.

The previous prime is 861059. The next prime is 861079. The reversal of 861068 is 860168.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 861068.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 861068.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (70070).

2⁸⁶¹⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

861068 is a deficient number, since it is larger than the sum of its proper divisors (820612).

861068 is a wasteful number, since it uses less digits than its factorization.

861068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 861068 is about 927.9374978952. The cubic root of 861068 is about 95.1362035208.

861068 divided by its sum of digits (29) gives a palindrome (29692).

Subtracting from 861068 its reverse (860168), we obtain a square (900 = 30²).

The spelling of 861068 in words is "eight hundred sixty-one thousand, sixty-eight".