3782856 has 128 divisors (see below), whose sum is σ = 12441600. Its totient is φ = 929280.

The previous prime is 3782819. The next prime is 3782869. The reversal of 3782856 is 6582873.

3782856 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 31 ways as a sum of consecutive naturals, for example, 42460 + ... + 42548.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

Almost surely, 2^3782856 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 3782856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6220800).

3782856 is an abundant number, since it is smaller than the sum of its proper divisors (8658744).

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

3782856 is a wasteful number, since it uses less digits than its factorization.

3782856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 135 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 3782856 is about 1944.9565547847. The cubic root of 3782856 is about 155.8140453566.

The spelling of 3782856 in words is "three million, seven hundred eighty-two thousand, eight hundred fifty-six".