3857884 has 24 divisors (see below), whose sum is σ = 6975248. Its totient is φ = 1866240.

The previous prime is 3857873. The next prime is 3857891. The reversal of 3857884 is 4887583.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3857884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23587 + ... + 23749.

Almost surely, 2^3857884 is an apocalyptic number.

It is an amenable number.

3857884 is a deficient number, since it is larger than the sum of its proper divisors (3117364).

3857884 is a wasteful number, since it uses less digits than its factorization.

3857884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 323 counting only the distinct ones).

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

The square root of 3857884 is about 1964.1496887967. The cubic root of 3857884 is about 156.8374316265.

The spelling of 3857884 in words is "three million, eight hundred fifty-seven thousand, eight hundred eighty-four".