806775 has 24 divisors (see below), whose sum is σ = 1380864. Its totient is φ = 415200.

The previous prime is 806761. The next prime is 806783. The reversal of 806775 is 577608.

It is not a de Polignac number, because 806775 - 2⁹ = 806263 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 806775.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2152 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (57536).

2⁸⁰⁶⁷⁷⁵ is an apocalyptic number.

806775 is a deficient number, since it is larger than the sum of its proper divisors (574089).

806775 is a wasteful number, since it uses less digits than its factorization.

806775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 806775 is about 898.2065464023. The cubic root of 806775 is about 93.0930967395.

The spelling of 806775 in words is "eight hundred six thousand, seven hundred seventy-five".