806679 has 20 divisors (see below), whose sum is σ = 1260336. Its totient is φ = 513216.

The previous prime is 806671. The next prime is 806719. The reversal of 806679 is 976608.

It is not a de Polignac number, because 806679 - 2³ = 806671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1647 + ... + 2079.

2⁸⁰⁶⁶⁷⁹ is an apocalyptic number.

806679 is a deficient number, since it is larger than the sum of its proper divisors (453657).

806679 is a wasteful number, since it uses less digits than its factorization.

806679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 806679 is about 898.1531049882. The cubic root of 806679 is about 93.0894041396.

It can be divided in two parts, 806 and 679, that added together give a triangular number (1485 = T₅₄).

The spelling of 806679 in words is "eight hundred six thousand, six hundred seventy-nine".