6395381 has 4 divisors (see below), whose sum is σ = 6732000. Its totient is φ = 6058764.

The previous prime is 6395377. The next prime is 6395387. The reversal of 6395381 is 1835936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6395381 - 2² = 6395377 is a prime.

It is a super-2 number, since 2×6395381² = 81801796270322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6395387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168281 + ... + 168318.

It is an arithmetic number, because the mean of its divisors is an integer number (1683000).

Almost surely, 2^6395381 is an apocalyptic number.

It is an amenable number.

6395381 is a deficient number, since it is larger than the sum of its proper divisors (336619).

6395381 is a wasteful number, since it uses less digits than its factorization.

6395381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336618.

The product of its digits is 19440, while the sum is 35.

The square root of 6395381 is about 2528.9090533271. The cubic root of 6395381 is about 185.6188769723.

It can be divided in two parts, 6395 and 381, that added together give a palindrome (6776).

The spelling of 6395381 in words is "six million, three hundred ninety-five thousand, three hundred eighty-one".