806687 has 12 divisors (see below), whose sum is σ = 953496. Its totient is φ = 680400.

The previous prime is 806671. The next prime is 806719. The reversal of 806687 is 786608.

It is not a de Polignac number, because 806687 - 2⁴ = 806671 is a prime.

It is a Duffinian number.

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 806687.

It is not an unprimeable number, because it can be changed into a prime (806657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4868 + ... + 5030.

It is an arithmetic number, because the mean of its divisors is an integer number (79458).

2⁸⁰⁶⁶⁸⁷ is an apocalyptic number.

806687 is a deficient number, since it is larger than the sum of its proper divisors (146809).

806687 is a wasteful number, since it uses less digits than its factorization.

806687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 271 counting only the distinct ones).

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

The square root of 806687 is about 898.1575585609. The cubic root of 806687 is about 93.0897118675.

The spelling of 806687 in words is "eight hundred six thousand, six hundred eighty-seven".