4105805 has 16 divisors (see below), whose sum is σ = 5659200. Its totient is φ = 2828160.

The previous prime is 4105793. The next prime is 4105811. The reversal of 4105805 is 5085014.

It is not a de Polignac number, because 4105805 - 2¹⁸ = 3843661 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (353700).

Almost surely, 2^4105805 is an apocalyptic number.

It is an amenable number.

4105805 is a deficient number, since it is larger than the sum of its proper divisors (1553395).

4105805 is a wasteful number, since it uses less digits than its factorization.

4105805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 4105805 is about 2026.2786086814. The cubic root of 4105805 is about 160.1275675346.

The spelling of 4105805 in words is "four million, one hundred five thousand, eight hundred five".