6381860 has 12 divisors (see below), whose sum is σ = 13401948. Its totient is φ = 2552736.

The previous prime is 6381847. The next prime is 6381863. The reversal of 6381860 is 681836.

6381860 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4553956 + 1827904 = 2134^2 + 1352^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6381863) 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, 159527 + ... + 159566.

It is an arithmetic number, because the mean of its divisors is an integer number (1116829).

Almost surely, 2^6381860 is an apocalyptic number.

It is an amenable number.

6381860 is an abundant number, since it is smaller than the sum of its proper divisors (7020088).

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

6381860 is a wasteful number, since it uses less digits than its factorization.

6381860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319102 (or 319100 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 6381860 is about 2526.2343517576. The cubic root of 6381860 is about 185.4879739759.

The spelling of 6381860 in words is "six million, three hundred eighty-one thousand, eight hundred sixty".