5681984 has 56 divisors (see below), whose sum is σ = 14069568. Its totient is φ = 2211840.

The previous prime is 5681983. The next prime is 5682011. The reversal of 5681984 is 4891865.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4352 + ... + 5504.

Almost surely, 2^5681984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5681984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7034784).

5681984 is an abundant number, since it is smaller than the sum of its proper divisors (8387584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5681984 is a wasteful number, since it uses less digits than its factorization.

5681984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1173 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 5681984 is about 2383.6912551755. The cubic root of 5681984 is about 178.4431997376.

It can be divided in two parts, 568 and 1984, that added together give a palindrome (2552).

The spelling of 5681984 in words is "five million, six hundred eighty-one thousand, nine hundred eighty-four".