801705 has 32 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 387072.

The previous prime is 801701. The next prime is 801707. The reversal of 801705 is 507108.

It is a happy number.

It is not a de Polignac number, because 801705 - 2² = 801701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801701) 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 31 ways as a sum of consecutive naturals, for example, 8217 + ... + 8313.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2⁸⁰¹⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

801705 is a deficient number, since it is larger than the sum of its proper divisors (609495).

801705 is a wasteful number, since it uses less digits than its factorization.

801705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 801705 is about 895.3798076794. The cubic root of 801705 is about 92.8976791176.

The spelling of 801705 in words is "eight hundred one thousand, seven hundred five".