4063805 has 4 divisors (see below), whose sum is σ = 4876572. Its totient is φ = 3251040.

The previous prime is 4063793. The next prime is 4063841. The reversal of 4063805 is 5083604.

4063805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 1819801 = 1498^2 + 1349^2 .

It is not a de Polignac number, because 4063805 - 2¹⁰ = 4062781 is a prime.

It is a super-2 number, since 2×4063805² = 33029022156050, which contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 406376 + ... + 406385.

It is an arithmetic number, because the mean of its divisors is an integer number (1219143).

Almost surely, 2^4063805 is an apocalyptic number.

It is an amenable number.

4063805 is a deficient number, since it is larger than the sum of its proper divisors (812767).

4063805 is an equidigital number, since it uses as much as digits as its factorization.

4063805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812766.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4063805 is about 2015.8881417380. Note that the first 3 decimals coincide. The cubic root of 4063805 is about 159.5796911154.

The spelling of 4063805 in words is "four million, sixty-three thousand, eight hundred five".