5728987 has 12 divisors (see below), whose sum is σ = 6368040. Its totient is φ = 5149760.

The previous prime is 5728939. The next prime is 5728991. The reversal of 5728987 is 7898275.

It is not a de Polignac number, because 5728987 - 2⁷ = 5728859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5728997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13464 + ... + 13882.

It is an arithmetic number, because the mean of its divisors is an integer number (530670).

Almost surely, 2^5728987 is an apocalyptic number.

5728987 is a deficient number, since it is larger than the sum of its proper divisors (639053).

5728987 is a wasteful number, since it uses less digits than its factorization.

5728987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 543 counting only the distinct ones).

The product of its digits is 282240, while the sum is 46.

The square root of 5728987 is about 2393.5302379540. The cubic root of 5728987 is about 178.9338935902.

It can be divided in two parts, 572 and 8987, that added together give a palindrome (9559).

The spelling of 5728987 in words is "five million, seven hundred twenty-eight thousand, nine hundred eighty-seven".