6681382 has 4 divisors (see below), whose sum is σ = 10022076. Its totient is φ = 3340690.

The previous prime is 6681377. The next prime is 6681403. The reversal of 6681382 is 2831866.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2831866 = 2 ⋅1415933.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1670344 + ... + 1670347.

It is an arithmetic number, because the mean of its divisors is an integer number (2505519).

Almost surely, 2^6681382 is an apocalyptic number.

6681382 is a deficient number, since it is larger than the sum of its proper divisors (3340694).

6681382 is a wasteful number, since it uses less digits than its factorization.

6681382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340693.

The product of its digits is 13824, while the sum is 34.

The square root of 6681382 is about 2584.8369387642. The cubic root of 6681382 is about 188.3455806029.

The spelling of 6681382 in words is "six million, six hundred eighty-one thousand, three hundred eighty-two".