806999 has 2 divisors, whose sum is σ = 807000. Its totient is φ = 806998.

The previous prime is 806977. The next prime is 807011. The reversal of 806999 is 999608.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806999 is a prime.

806999 is a modest number, since divided by 999 gives 806 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403499 + 403500.

It is an arithmetic number, because the mean of its divisors is an integer number (403500).

2⁸⁰⁶⁹⁹⁹ is an apocalyptic number.

806999 is a deficient number, since it is larger than the sum of its proper divisors (1).

806999 is an equidigital number, since it uses as much as digits as its factorization.

806999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 806999 is about 898.3312306716. The cubic root of 806999 is about 93.1017116668.

It can be divided in two parts, 80699 and 9, that added together give a palindrome (80708).

The spelling of 806999 in words is "eight hundred six thousand, nine hundred ninety-nine".