3847685 has 8 divisors (see below), whose sum is σ = 4695840. Its totient is φ = 3025744.

The previous prime is 3847673. The next prime is 3847687. The reversal of 3847685 is 5867483.

It is a happy number.

3847685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3847685 - 2⁶ = 3847621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847687) 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 7 ways as a sum of consecutive naturals, for example, 6227 + ... + 6816.

It is an arithmetic number, because the mean of its divisors is an integer number (586980).

Almost surely, 2^3847685 is an apocalyptic number.

It is an amenable number.

3847685 is a deficient number, since it is larger than the sum of its proper divisors (848155).

3847685 is a wasteful number, since it uses less digits than its factorization.

3847685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13107.

The product of its digits is 161280, while the sum is 41.

The square root of 3847685 is about 1961.5516817051. The cubic root of 3847685 is about 156.6991004727.

The spelling of 3847685 in words is "three million, eight hundred forty-seven thousand, six hundred eighty-five".