861596 has 6 divisors (see below), whose sum is σ = 1507800. Its totient is φ = 430796.

The previous prime is 861589. The next prime is 861599. The reversal of 861596 is 695168.

861596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107696 + ... + 107703.

It is an arithmetic number, because the mean of its divisors is an integer number (251300).

2⁸⁶¹⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

861596 is a deficient number, since it is larger than the sum of its proper divisors (646204).

861596 is a wasteful number, since it uses less digits than its factorization.

861596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215403 (or 215401 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 861596 is about 928.2219562152. The cubic root of 861596 is about 95.1556451335.

The spelling of 861596 in words is "eight hundred sixty-one thousand, five hundred ninety-six".