3805807444 has 6 divisors (see below), whose sum is σ = 6660163034. Its totient is φ = 1902903720.

The previous prime is 3805807441. The next prime is 3805807463. The reversal of 3805807444 is 4447085083.

It can be written as a sum of positive squares in only one way, i.e., 2909523600 + 896283844 = 53940^2 + 29938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3805807444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3805807441) by changing a digit.

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 as a sum of consecutive naturals, namely, 475725927 + ... + 475725934.

Almost surely, 2^3805807444 is an apocalyptic number.

It is an amenable number.

3805807444 is a deficient number, since it is larger than the sum of its proper divisors (2854355590).

3805807444 is a wasteful number, since it uses less digits than its factorization.

3805807444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951451865 (or 951451863 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 3805807444 is about 61691.2266371808. The cubic root of 3805807444 is about 1561.2852989464.

The spelling of 3805807444 in words is "three billion, eight hundred five million, eight hundred seven thousand, four hundred forty-four".