3885857 has 4 divisors (see below), whose sum is σ = 3980676. Its totient is φ = 3791040.

The previous prime is 3885841. The next prime is 3885859. The reversal of 3885857 is 7585883.

3885857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 3530641 = 596^2 + 1879^2 .

It is a cyclic number.

It is not a de Polignac number, because 3885857 - 2⁴ = 3885841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885859) 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 3 ways as a sum of consecutive naturals, for example, 47348 + ... + 47429.

It is an arithmetic number, because the mean of its divisors is an integer number (995169).

Almost surely, 2^3885857 is an apocalyptic number.

It is an amenable number.

3885857 is a deficient number, since it is larger than the sum of its proper divisors (94819).

3885857 is an equidigital number, since it uses as much as digits as its factorization.

3885857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94818.

The product of its digits is 268800, while the sum is 44.

The square root of 3885857 is about 1971.2577203400. The cubic root of 3885857 is about 157.2155881742.

The spelling of 3885857 in words is "three million, eight hundred eighty-five thousand, eight hundred fifty-seven".