6381694 has 16 divisors (see below), whose sum is σ = 10544256. Its totient is φ = 2872600.

The previous prime is 6381689. The next prime is 6381703. The reversal of 6381694 is 4961836.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999 + ... + 3709.

It is an arithmetic number, because the mean of its divisors is an integer number (659016).

Almost surely, 2^6381694 is an apocalyptic number.

6381694 is a deficient number, since it is larger than the sum of its proper divisors (4162562).

6381694 is a wasteful number, since it uses less digits than its factorization.

6381694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831.

The product of its digits is 31104, while the sum is 37.

The square root of 6381694 is about 2526.2014963181. The cubic root of 6381694 is about 185.4863657055.

It can be divided in two parts, 638 and 1694, that added together give a palindrome (2332).

The spelling of 6381694 in words is "six million, three hundred eighty-one thousand, six hundred ninety-four".