5609789 has 4 divisors (see below), whose sum is σ = 5803260. Its totient is φ = 5416320.

The previous prime is 5609783. The next prime is 5609797. The reversal of 5609789 is 9879065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 4305625 = 1142^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 5609789 - 2²⁰ = 4561213 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 (5609783) 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 3 ways as a sum of consecutive naturals, for example, 96692 + ... + 96749.

It is an arithmetic number, because the mean of its divisors is an integer number (1450815).

Almost surely, 2^5609789 is an apocalyptic number.

It is an amenable number.

5609789 is a deficient number, since it is larger than the sum of its proper divisors (193471).

5609789 is a wasteful number, since it uses less digits than its factorization.

5609789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193470.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 5609789 is about 2368.4993139117. The cubic root of 5609789 is about 177.6842126428.

The spelling of 5609789 in words is "five million, six hundred nine thousand, seven hundred eighty-nine".