861096 has 16 divisors (see below), whose sum is σ = 2152800. Its totient is φ = 287024.

The previous prime is 861089. The next prime is 861109. The reversal of 861096 is 690168.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 861096.

It is an unprimeable number.

861096 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, 17916 + ... + 17963.

It is an arithmetic number, because the mean of its divisors is an integer number (134550).

2⁸⁶¹⁰⁹⁶ is an apocalyptic number.

It is an amenable number.

861096 is an abundant number, since it is smaller than the sum of its proper divisors (1291704).

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

861096 is a wasteful number, since it uses less digits than its factorization.

861096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35888 (or 35884 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 861096 is about 927.9525849956. The cubic root of 861096 is about 95.1372347149.

The spelling of 861096 in words is "eight hundred sixty-one thousand, ninety-six".