3806632181 has 16 divisors (see below), whose sum is σ = 4349427840. Its totient is φ = 3297750720.

The previous prime is 3806632157. The next prime is 3806632189. The reversal of 3806632181 is 1812366083.

3806632181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3806632181 - 2⁶ = 3806632117 is a prime.

It is a super-2 number, since 2×3806632181² = 28980897122849633522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806632189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40091 + ... + 96023.

It is an arithmetic number, because the mean of its divisors is an integer number (271839240).

Almost surely, 2^3806632181 is an apocalyptic number.

It is an amenable number.

3806632181 is a deficient number, since it is larger than the sum of its proper divisors (542795659).

3806632181 is a wasteful number, since it uses less digits than its factorization.

3806632181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56236.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3806632181 is about 61697.9106696491. The cubic root of 3806632181 is about 1561.3980701756.

The spelling of 3806632181 in words is "three billion, eight hundred six million, six hundred thirty-two thousand, one hundred eighty-one".