3805165 has 16 divisors (see below), whose sum is σ = 5620608. Its totient is φ = 2408256.

The previous prime is 3805159. The next prime is 3805171. The reversal of 3805165 is 5615083.

It is an interprime number because it is at equal distance from previous prime (3805159) and next prime (3805171).

It is a cyclic number.

It is not a de Polignac number, because 3805165 - 2⁵ = 3805133 is a prime.

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, 3727 + ... + 4636.

It is an arithmetic number, because the mean of its divisors is an integer number (351288).

Almost surely, 2^3805165 is an apocalyptic number.

3805165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3805165 is a deficient number, since it is larger than the sum of its proper divisors (1815443).

3805165 is a wasteful number, since it uses less digits than its factorization.

3805165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 3805165 is about 1950.6832136459. The cubic root of 3805165 is about 156.1197442442.

The spelling of 3805165 in words is "three million, eight hundred five thousand, one hundred sixty-five".