3843857 has 8 divisors (see below), whose sum is σ = 3946176. Its totient is φ = 3742992.

The previous prime is 3843841. The next prime is 3843859. The reversal of 3843857 is 7583483.

It is a happy number.

3843857 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 3843857 - 2⁴ = 3843841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3843857.

It is not an unprimeable number, because it can be changed into a prime (3843859) 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, 6623 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (493272).

Almost surely, 2^3843857 is an apocalyptic number.

It is an amenable number.

3843857 is a deficient number, since it is larger than the sum of its proper divisors (102319).

3843857 is a wasteful number, since it uses less digits than its factorization.

3843857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727.

The product of its digits is 80640, while the sum is 38.

The square root of 3843857 is about 1960.5756807632. The cubic root of 3843857 is about 156.6471174239.

The spelling of 3843857 in words is "three million, eight hundred forty-three thousand, eight hundred fifty-seven".