866924 has 6 divisors (see below), whose sum is σ = 1517124. Its totient is φ = 433460.

The previous prime is 866917. The next prime is 866927. The reversal of 866924 is 429668.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 866924.

It is not an unprimeable number, because it can be changed into a prime (866927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108362 + ... + 108369.

It is an arithmetic number, because the mean of its divisors is an integer number (252854).

2⁸⁶⁶⁹²⁴ is an apocalyptic number.

It is an amenable number.

866924 is a deficient number, since it is larger than the sum of its proper divisors (650200).

866924 is a wasteful number, since it uses less digits than its factorization.

866924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216735 (or 216733 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 866924 is about 931.0875361640. The cubic root of 866924 is about 95.3513856740.

The spelling of 866924 in words is "eight hundred sixty-six thousand, nine hundred twenty-four".