866093 has 2 divisors, whose sum is σ = 866094. Its totient is φ = 866092.

The previous prime is 866087. The next prime is 866101. The reversal of 866093 is 390668.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797449 + 68644 = 893^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 866093 - 2⁶ = 866029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (866003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433046 + 433047.

It is an arithmetic number, because the mean of its divisors is an integer number (433047).

2⁸⁶⁶⁰⁹³ is an apocalyptic number.

It is an amenable number.

866093 is a deficient number, since it is larger than the sum of its proper divisors (1).

866093 is an equidigital number, since it uses as much as digits as its factorization.

866093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 866093 is about 930.6411768238. The cubic root of 866093 is about 95.3209092106.

The spelling of 866093 in words is "eight hundred sixty-six thousand, ninety-three".