3886256 has 40 divisors (see below), whose sum is σ = 8356608. Its totient is φ = 1736000.

The previous prime is 3886237. The next prime is 3886273. The reversal of 3886256 is 6526883.

3886256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 12341 + ... + 12651.

Almost surely, 2^3886256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3886256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4178304).

3886256 is an abundant number, since it is smaller than the sum of its proper divisors (4470352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3886256 is a wasteful number, since it uses less digits than its factorization.

3886256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 395 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 3886256 is about 1971.3589221651. The cubic root of 3886256 is about 157.2209689583.

The spelling of 3886256 in words is "three million, eight hundred eighty-six thousand, two hundred fifty-six".