3821056 has 40 divisors (see below), whose sum is σ = 8102160. Its totient is φ = 1794048.

The previous prime is 3821009. The next prime is 3821057. The reversal of 3821056 is 6501283.

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 3821056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8485 + ... + 8923.

It is an arithmetic number, because the mean of its divisors is an integer number (202554).

Almost surely, 2^3821056 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 3821056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4051080).

3821056 is an abundant number, since it is smaller than the sum of its proper divisors (4281104).

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

3821056 is an equidigital number, since it uses as much as digits as its factorization.

3821056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3821056 is about 1954.7521582032. The cubic root of 3821056 is about 156.3367697256.

The spelling of 3821056 in words is "three million, eight hundred twenty-one thousand, fifty-six".