5681424 has 80 divisors (see below), whose sum is σ = 17264768. Its totient is φ = 1575936.

The previous prime is 5681413. The next prime is 5681447. The reversal of 5681424 is 4241865.

Its product of digits (7680) is a multiple of the sum of its prime factors (512).

It is a junction number, because it is equal to n+sod(n) for n = 5681391 and 5681400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12204 + ... + 12660.

Almost surely, 2^5681424 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 5681424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8632384).

5681424 is an abundant number, since it is smaller than the sum of its proper divisors (11583344).

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

5681424 is a wasteful number, since it uses less digits than its factorization.

5681424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 506 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 5681424 is about 2383.5737874041. The cubic root of 5681424 is about 178.4373372621.

It can be divided in two parts, 5681 and 424, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 5681424 in words is "five million, six hundred eighty-one thousand, four hundred twenty-four".