3781056 has 56 divisors (see below), whose sum is σ = 10241280. Its totient is φ = 1230592.

The previous prime is 3781007. The next prime is 3781079. The reversal of 3781056 is 6501873.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

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, 8815 + ... + 9233.

It is an arithmetic number, because the mean of its divisors is an integer number (182880).

Almost surely, 2^3781056 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 3781056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5120640).

3781056 is an abundant number, since it is smaller than the sum of its proper divisors (6460224).

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

3781056 is a wasteful number, since it uses less digits than its factorization.

3781056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 3781056 is about 1944.4937644539. The cubic root of 3781056 is about 155.7893277202.

The spelling of 3781056 in words is "three million, seven hundred eighty-one thousand, fifty-six".