866933 has 2 divisors, whose sum is σ = 866934. Its totient is φ = 866932.

The previous prime is 866927. The next prime is 866941. The reversal of 866933 is 339668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 643204 + 223729 = 802^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 866933 - 2⁴ = 866917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 866893 and 866902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (866953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433466 + 433467.

It is an arithmetic number, because the mean of its divisors is an integer number (433467).

2⁸⁶⁶⁹³³ is an apocalyptic number.

It is an amenable number.

866933 is a deficient number, since it is larger than the sum of its proper divisors (1).

866933 is an equidigital number, since it uses as much as digits as its factorization.

866933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 866933 is about 931.0923692094. The cubic root of 866933 is about 95.3517156374.

The spelling of 866933 in words is "eight hundred sixty-six thousand, nine hundred thirty-three".