3805056 has 80 divisors (see below), whose sum is σ = 11354640. Its totient is φ = 1264896.

The previous prime is 3805037. The next prime is 3805057. The reversal of 3805056 is 6505083.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3805057) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10185 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (141933).

Almost surely, 2^3805056 is an apocalyptic number.

3805056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3805056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5677320).

3805056 is an abundant number, since it is smaller than the sum of its proper divisors (7549584).

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

3805056 is an equidigital number, since it uses as much as digits as its factorization.

3805056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 3805056 is about 1950.6552745167. The cubic root of 3805056 is about 156.1182535322.

Adding to 3805056 its sum of digits (27), we get a palindrome (3805083).

The spelling of 3805056 in words is "three million, eight hundred five thousand, fifty-six".