6381056 has 60 divisors (see below), whose sum is σ = 14150136. Its totient is φ = 2872320.

The previous prime is 6381047. The next prime is 6381059. The reversal of 6381056 is 6501836.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61901 + ... + 62003.

Almost surely, 2^6381056 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 6381056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7075068).

6381056 is an abundant number, since it is smaller than the sum of its proper divisors (7769080).

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

6381056 is a wasteful number, since it uses less digits than its factorization.

6381056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6381056 is about 2526.0752166157. The cubic root of 6381056 is about 185.4801842619.

Subtracting from 6381056 its product of nonzero digits (4320), we obtain a palindrome (6376736).

The spelling of 6381056 in words is "six million, three hundred eighty-one thousand, fifty-six".