2068805 has 8 divisors (see below), whose sum is σ = 2511000. Its totient is φ = 1636096.

The previous prime is 2068769. The next prime is 2068811. The reversal of 2068805 is 5088602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 432964 + 1635841 = 658^2 + 1279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2068805 - 2⁶ = 2068741 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1880 + ... + 2769.

It is an arithmetic number, because the mean of its divisors is an integer number (313875).

2^2068805 is an apocalyptic number.

It is an amenable number.

2068805 is a deficient number, since it is larger than the sum of its proper divisors (442195).

2068805 is an equidigital number, since it uses as much as digits as its factorization.

2068805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2068805 is about 1438.3341058322. The cubic root of 2068805 is about 127.4206606231.

The spelling of 2068805 in words is "two million, sixty-eight thousand, eight hundred five".