706805 has 16 divisors (see below), whose sum is σ = 943488. Its totient is φ = 504000.

The previous prime is 706801. The next prime is 706829. The reversal of 706805 is 508607.

It is not a de Polignac number, because 706805 - 2² = 706801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706801) 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 15 ways as a sum of consecutive naturals, for example, 3815 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (58968).

2⁷⁰⁶⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

706805 is a deficient number, since it is larger than the sum of its proper divisors (236683).

706805 is a wasteful number, since it uses less digits than its factorization.

706805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 706805 is about 840.7169559370. The cubic root of 706805 is about 89.0771959949.

The spelling of 706805 in words is "seven hundred six thousand, eight hundred five".