3805923165 has 32 divisors (see below), whose sum is σ = 6857367552. Its totient is φ = 1785768000.

The previous prime is 3805923133. The next prime is 3805923167. The reversal of 3805923165 is 5613295083.

It is not a de Polignac number, because 3805923165 - 2⁵ = 3805923133 is a prime.

It is a super-2 number, since 2×3805923165² = 28970102275767234450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3805923167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366921 + ... + 377150.

It is an arithmetic number, because the mean of its divisors is an integer number (214292736).

Almost surely, 2^3805923165 is an apocalyptic number.

It is an amenable number.

3805923165 is a deficient number, since it is larger than the sum of its proper divisors (3051444387).

3805923165 is a wasteful number, since it uses less digits than its factorization.

3805923165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744121.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 3805923165 is about 61692.1645348905. The cubic root of 3805923165 is about 1561.3011231543.

The spelling of 3805923165 in words is "three billion, eight hundred five million, nine hundred twenty-three thousand, one hundred sixty-five".