5681968 has 20 divisors (see below), whose sum is σ = 11049640. Its totient is φ = 2830464.

The previous prime is 5681947. The next prime is 5681981. The reversal of 5681968 is 8691865.

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 3 ways as a sum of consecutive naturals, for example, 5596 + ... + 6532.

It is an arithmetic number, because the mean of its divisors is an integer number (552482).

Almost surely, 2^5681968 is an apocalyptic number.

It is an amenable number.

5681968 is a deficient number, since it is larger than the sum of its proper divisors (5367672).

5681968 is a wasteful number, since it uses less digits than its factorization.

5681968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1318 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 5681968 is about 2383.6878990338. The cubic root of 5681968 is about 178.4430322436.

The spelling of 5681968 in words is "five million, six hundred eighty-one thousand, nine hundred sixty-eight".