3850857 has 12 divisors (see below), whose sum is σ = 5889780. Its totient is φ = 2416128.

The previous prime is 3850841. The next prime is 3850883. The reversal of 3850857 is 7580583.

It is a happy number.

3850857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1971216 + 1879641 = 1404^2 + 1371^2 .

It is not a de Polignac number, because 3850857 - 2⁴ = 3850841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3850837) 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 11 ways as a sum of consecutive naturals, for example, 12432 + ... + 12737.

It is an arithmetic number, because the mean of its divisors is an integer number (490815).

Almost surely, 2^3850857 is an apocalyptic number.

It is an amenable number.

3850857 is a deficient number, since it is larger than the sum of its proper divisors (2038923).

3850857 is a wasteful number, since it uses less digits than its factorization.

3850857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25192 (or 25189 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 3850857 is about 1962.3600587048. The cubic root of 3850857 is about 156.7421491302.

It can be divided in two parts, 3 and 850857, that added together give a triangular number (850860 = T₁₃₀₄).

The spelling of 3850857 in words is "three million, eight hundred fifty thousand, eight hundred fifty-seven".