806599 has 6 divisors (see below), whose sum is σ = 857144. Its totient is φ = 758880.

The previous prime is 806581. The next prime is 806609. The reversal of 806599 is 995608.

It is not a de Polignac number, because 806599 - 2⁹ = 806087 is a prime.

It is a Duffinian number.

806599 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806549) 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 5 ways as a sum of consecutive naturals, for example, 1107 + ... + 1684.

2⁸⁰⁶⁵⁹⁹ is an apocalyptic number.

806599 is a deficient number, since it is larger than the sum of its proper divisors (50545).

806599 is a wasteful number, since it uses less digits than its factorization.

806599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 806599 is about 898.1085680473. The cubic root of 806599 is about 93.0863267493.

The spelling of 806599 in words is "eight hundred six thousand, five hundred ninety-nine".