3805105 has 8 divisors (see below), whose sum is σ = 4580352. Its totient is φ = 3034608.

The previous prime is 3805099. The next prime is 3805121. The reversal of 3805105 is 5015083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3805105 - 2¹⁵ = 3772337 is a prime.

It is a super-2 number, since 2×3805105² = 28957648122050, which contains 22 as substring.

It is a Duffinian number.

3805105 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (572544).

Almost surely, 2^3805105 is an apocalyptic number.

It is an amenable number.

3805105 is a deficient number, since it is larger than the sum of its proper divisors (775247).

3805105 is a wasteful number, since it uses less digits than its factorization.

3805105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 3805105 is about 1950.6678343583. The cubic root of 3805105 is about 156.1189236723.

Subtracting from 3805105 its sum of digits (22), we obtain a palindrome (3805083).

The spelling of 3805105 in words is "three million, eight hundred five thousand, one hundred five".