861076 has 12 divisors (see below), whose sum is σ = 1532020. Its totient is φ = 423360.

The previous prime is 861059. The next prime is 861079. The reversal of 861076 is 670168.

It can be written as a sum of positive squares in 2 ways, for example, as 51076 + 810000 = 226^2 + 900^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1521 + ... + 2008.

2⁸⁶¹⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

861076 is a deficient number, since it is larger than the sum of its proper divisors (670944).

861076 is a wasteful number, since it uses less digits than its factorization.

861076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 3592 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 861076 is about 927.9418085203. The cubic root of 861076 is about 95.1364981499.

The spelling of 861076 in words is "eight hundred sixty-one thousand, seventy-six".