860663 has 2 divisors, whose sum is σ = 860664. Its totient is φ = 860662.

The previous prime is 860647. The next prime is 860689. The reversal of 860663 is 366068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 860663 - 2⁴ = 860647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430331 + 430332.

It is an arithmetic number, because the mean of its divisors is an integer number (430332).

2⁸⁶⁰⁶⁶³ is an apocalyptic number.

860663 is a deficient number, since it is larger than the sum of its proper divisors (1).

860663 is an equidigital number, since it uses as much as digits as its factorization.

860663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 860663 is about 927.7192463240. The cubic root of 860663 is about 95.1212855333.

The spelling of 860663 in words is "eight hundred sixty thousand, six hundred sixty-three".