10005805 has 16 divisors (see below), whose sum is σ = 12628224. Its totient is φ = 7596160.

The previous prime is 10005791. The next prime is 10005823. The reversal of 10005805 is 50850001.

10005805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10005805 - 2⁵ = 10005773 is a prime.

It is a super-2 number, since 2×10005805² = 200232267396050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18945 + ... + 19465.

It is an arithmetic number, because the mean of its divisors is an integer number (789264).

Almost surely, 2^10005805 is an apocalyptic number.

It is an amenable number.

10005805 is a deficient number, since it is larger than the sum of its proper divisors (2622419).

10005805 is a wasteful number, since it uses less digits than its factorization.

10005805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 10005805 is about 3163.1953780948. The cubic root of 10005805 is about 215.4851492504.

Adding to 10005805 its reverse (50850001), we get a palindrome (60855806).

The spelling of 10005805 in words is "ten million, five thousand, eight hundred five".