5436689 has 4 divisors (see below), whose sum is σ = 5460660. Its totient is φ = 5412720.

The previous prime is 5436667. The next prime is 5436709. The reversal of 5436689 is 9866345.

5436689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5290000 + 146689 = 2300^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436689 - 2²⁰ = 4388113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5436089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11642 + ... + 12099.

It is an arithmetic number, because the mean of its divisors is an integer number (1365165).

Almost surely, 2^5436689 is an apocalyptic number.

It is an amenable number.

5436689 is a deficient number, since it is larger than the sum of its proper divisors (23971).

5436689 is a wasteful number, since it uses less digits than its factorization.

5436689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23970.

The product of its digits is 155520, while the sum is 41.

The square root of 5436689 is about 2331.6708601344. The cubic root of 5436689 is about 175.8374985100.

The spelling of 5436689 in words is "five million, four hundred thirty-six thousand, six hundred eighty-nine".