866696 has 16 divisors (see below), whose sum is σ = 1639440. Its totient is φ = 429520.

The previous prime is 866693. The next prime is 866707. The reversal of 866696 is 696668.

It is not an unprimeable number, because it can be changed into a prime (866693) 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, 635 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (102465).

2⁸⁶⁶⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

866696 is a deficient number, since it is larger than the sum of its proper divisors (772744).

866696 is a wasteful number, since it uses less digits than its factorization.

866696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 960 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 866696 is about 930.9650906452. The cubic root of 866696 is about 95.3430258401.

The spelling of 866696 in words is "eight hundred sixty-six thousand, six hundred ninety-six".