5287789 has 8 divisors (see below), whose sum is σ = 5738040. Its totient is φ = 4843776.

The previous prime is 5287787. The next prime is 5287801. The reversal of 5287789 is 9877825.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 5221225 = 258^2 + 2285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5287789 - 2¹ = 5287787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (717255).

Almost surely, 2^5287789 is an apocalyptic number.

It is an amenable number.

5287789 is a deficient number, since it is larger than the sum of its proper divisors (450251).

5287789 is a wasteful number, since it uses less digits than its factorization.

5287789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119.

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

The square root of 5287789 is about 2299.5192975924. The cubic root of 5287789 is about 174.2173375253.

The spelling of 5287789 in words is "five million, two hundred eighty-seven thousand, seven hundred eighty-nine".