3806091 has 6 divisors (see below), whose sum is σ = 5497700. Its totient is φ = 2537388.

The previous prime is 3806083. The next prime is 3806093. The reversal of 3806091 is 1906083.

3806091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3806091 - 2³ = 3806083 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211441 + ... + 211458.

Almost surely, 2^3806091 is an apocalyptic number.

3806091 is a deficient number, since it is larger than the sum of its proper divisors (1691609).

3806091 is a wasteful number, since it uses less digits than its factorization.

3806091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422905 (or 422902 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3806091 is about 1950.9205519446. The cubic root of 3806091 is about 156.1324073094.

The spelling of 3806091 in words is "three million, eight hundred six thousand, ninety-one".