5921728 has 28 divisors (see below), whose sum is σ = 11934952. Its totient is φ = 2914560.

The previous prime is 5921717. The next prime is 5921737. The reversal of 5921728 is 8271295.

It is a junction number, because it is equal to n+sod(n) for n = 5921693 and 5921702.

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 3 ways as a sum of consecutive naturals, for example, 3598 + ... + 4978.

Almost surely, 2^5921728 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 5921728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5967476).

5921728 is an abundant number, since it is smaller than the sum of its proper divisors (6013224).

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

5921728 is a wasteful number, since it uses less digits than its factorization.

5921728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1450 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 5921728 is about 2433.4600880228. The cubic root of 5921728 is about 180.9184333802.

The spelling of 5921728 in words is "five million, nine hundred twenty-one thousand, seven hundred twenty-eight".