3885847 has 8 divisors (see below), whose sum is σ = 4532000. Its totient is φ = 3330432.

The previous prime is 3885841. The next prime is 3885859. The reversal of 3885847 is 7485883.

It is a happy number.

It is not a de Polignac number, because 3885847 - 2⁷ = 3885719 is a prime.

It is a Duffinian number.

3885847 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5322 + ... + 6007.

It is an arithmetic number, because the mean of its divisors is an integer number (566500).

Almost surely, 2^3885847 is an apocalyptic number.

3885847 is a deficient number, since it is larger than the sum of its proper divisors (646153).

3885847 is an equidigital number, since it uses as much as digits as its factorization.

3885847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11350 (or 11336 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 3885847 is about 1971.2551838867. The cubic root of 3885847 is about 157.2154533127.

The spelling of 3885847 in words is "three million, eight hundred eighty-five thousand, eight hundred forty-seven".