6381841 has 4 divisors (see below), whose sum is σ = 6440500. Its totient is φ = 6323184.

The previous prime is 6381829. The next prime is 6381847. The reversal of 6381841 is 1481836.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3478225 + 2903616 = 1865^2 + 1704^2 .

It is a cyclic number.

It is not a de Polignac number, because 6381841 - 2¹⁵ = 6349073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6381847) 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, 29166 + ... + 29383.

It is an arithmetic number, because the mean of its divisors is an integer number (1610125).

Almost surely, 2^6381841 is an apocalyptic number.

It is an amenable number.

6381841 is a deficient number, since it is larger than the sum of its proper divisors (58659).

6381841 is a wasteful number, since it uses less digits than its factorization.

6381841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58658.

The product of its digits is 4608, while the sum is 31.

The square root of 6381841 is about 2526.2305912169. The cubic root of 6381841 is about 185.4877898982.

The spelling of 6381841 in words is "six million, three hundred eighty-one thousand, eight hundred forty-one".