5687209 has 8 divisors (see below), whose sum is σ = 6266880. Its totient is φ = 5118000.

The previous prime is 5687191. The next prime is 5687237. The reversal of 5687209 is 9027865.

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 5687209 - 2⁷ = 5687081 is a prime.

It is a Duffinian number.

5687209 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5687239) 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, 1449 + ... + 3670.

It is an arithmetic number, because the mean of its divisors is an integer number (783360).

Almost surely, 2^5687209 is an apocalyptic number.

It is an amenable number.

5687209 is a deficient number, since it is larger than the sum of its proper divisors (579671).

5687209 is a wasteful number, since it uses less digits than its factorization.

5687209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 5687209 is about 2384.7869925845. The cubic root of 5687209 is about 178.4978801727.

It can be divided in two parts, 568 and 7209, that added together give a palindrome (7777).

The spelling of 5687209 in words is "five million, six hundred eighty-seven thousand, two hundred nine".