866083 has 2 divisors, whose sum is σ = 866084. Its totient is φ = 866082.

The previous prime is 866081. The next prime is 866087. The reversal of 866083 is 380668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 866083 - 2¹ = 866081 is a prime.

Together with 866081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (866081) 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, 433041 + 433042.

It is an arithmetic number, because the mean of its divisors is an integer number (433042).

2⁸⁶⁶⁰⁸³ is an apocalyptic number.

866083 is a deficient number, since it is larger than the sum of its proper divisors (1).

866083 is an equidigital number, since it uses as much as digits as its factorization.

866083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 866083 is about 930.6358041683. The cubic root of 866083 is about 95.3205423474.

The spelling of 866083 in words is "eight hundred sixty-six thousand, eighty-three".