3805087 has 24 divisors (see below), whose sum is σ = 4692240. Its totient is φ = 3062400.

The previous prime is 3805069. The next prime is 3805091. The reversal of 3805087 is 7805083.

It is not a de Polignac number, because 3805087 - 2¹⁵ = 3772319 is a prime.

It is a Duffinian number.

3805087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3805037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64464 + ... + 64522.

It is an arithmetic number, because the mean of its divisors is an integer number (195510).

Almost surely, 2^3805087 is an apocalyptic number.

3805087 is a deficient number, since it is larger than the sum of its proper divisors (887153).

3805087 is a wasteful number, since it uses less digits than its factorization.

3805087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 3805087 is about 1950.6632205483. The cubic root of 3805087 is about 156.1186774991.

The spelling of 3805087 in words is "three million, eight hundred five thousand, eighty-seven".