5439728 has 40 divisors (see below), whose sum is σ = 12758112. Its totient is φ = 2193408.

The previous prime is 5439727. The next prime is 5439743. The reversal of 5439728 is 8279345.

It is a junction number, because it is equal to n+sod(n) for n = 5439691 and 5439700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439727) 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, 476 + ... + 3332.

Almost surely, 2^5439728 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 5439728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6379056).

5439728 is an abundant number, since it is smaller than the sum of its proper divisors (7318384).

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

5439728 is a wasteful number, since it uses less digits than its factorization.

5439728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889 (or 2883 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 5439728 is about 2332.3224476903. The cubic root of 5439728 is about 175.8702556177.

The spelling of 5439728 in words is "five million, four hundred thirty-nine thousand, seven hundred twenty-eight".