806786 has 16 divisors (see below), whose sum is σ = 1305720. Its totient is φ = 372480.

The previous prime is 806783. The next prime is 806789. The reversal of 806786 is 687608.

It is an interprime number because it is at equal distance from previous prime (806783) and next prime (806789).

It can be written as a sum of positive squares in 4 ways, for example, as 483025 + 323761 = 695^2 + 569^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (806783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880 + ... + 2268.

2⁸⁰⁶⁷⁸⁶ is an apocalyptic number.

806786 is a deficient number, since it is larger than the sum of its proper divisors (498934).

806786 is a wasteful number, since it uses less digits than its factorization.

806786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 806786 is about 898.2126696947. The cubic root of 806786 is about 93.0935198312.

The spelling of 806786 in words is "eight hundred six thousand, seven hundred eighty-six".