6381705 has 16 divisors (see below), whose sum is σ = 11139264. Its totient is φ = 3094080.

The previous prime is 6381703. The next prime is 6381719. The reversal of 6381705 is 5071836.

It is not a de Polignac number, because 6381705 - 2¹ = 6381703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6381703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19174 + ... + 19503.

It is an arithmetic number, because the mean of its divisors is an integer number (696204).

Almost surely, 2^6381705 is an apocalyptic number.

It is an amenable number.

6381705 is a deficient number, since it is larger than the sum of its proper divisors (4757559).

6381705 is a wasteful number, since it uses less digits than its factorization.

6381705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38696.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 6381705 is about 2526.2036734990. The cubic root of 6381705 is about 185.4864722785.

It can be divided in two parts, 63 and 81705, that multiplied together give a palindrome (5147415).

The spelling of 6381705 in words is "six million, three hundred eighty-one thousand, seven hundred five".