5809728 has 28 divisors (see below), whose sum is σ = 15372080. Its totient is φ = 1936512.

The previous prime is 5809723. The next prime is 5809729. The reversal of 5809728 is 8279085.

It is not an unprimeable number, because it can be changed into a prime (5809721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14938 + ... + 15321.

Almost surely, 2^5809728 is an apocalyptic number.

It is an amenable number.

5809728 is an abundant number, since it is smaller than the sum of its proper divisors (9562352).

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

5809728 is a wasteful number, since it uses less digits than its factorization.

5809728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30274 (or 30264 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 5809728 is about 2410.3377356711. The cubic root of 5809728 is about 179.7705718926.

The spelling of 5809728 in words is "five million, eight hundred nine thousand, seven hundred twenty-eight".