6384381 has 8 divisors (see below), whose sum is σ = 8528160. Its totient is φ = 4248432.

The previous prime is 6384359. The next prime is 6384439. The reversal of 6384381 is 1834836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6384381 - 2⁵ = 6384349 is a prime.

It is a super-2 number, since 2×6384381² = 81520641506322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6384181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (1066020).

Almost surely, 2^6384381 is an apocalyptic number.

It is an amenable number.

6384381 is a deficient number, since it is larger than the sum of its proper divisors (2143779).

6384381 is a wasteful number, since it uses less digits than its factorization.

6384381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915.

The product of its digits is 13824, while the sum is 33.

The square root of 6384381 is about 2526.7332664925. The cubic root of 6384381 is about 185.5123949453.

The spelling of 6384381 in words is "six million, three hundred eighty-four thousand, three hundred eighty-one".