5684209 has 2 divisors, whose sum is σ = 5684210. Its totient is φ = 5684208.

The previous prime is 5684183. The next prime is 5684233. The reversal of 5684209 is 9024865.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 485809 = 2280^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 5684209 - 2¹¹ = 5682161 is a prime.

It is a super-3 number, since 3×5684209³ (a number of 21 digits) contains 333 as substring.

5684209 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5684269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842104 + 2842105.

It is an arithmetic number, because the mean of its divisors is an integer number (2842105).

Almost surely, 2^5684209 is an apocalyptic number.

It is an amenable number.

5684209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5684209 is an equidigital number, since it uses as much as digits as its factorization.

5684209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 5684209 is about 2384.1579226217. The cubic root of 5684209 is about 178.4664888038.

The spelling of 5684209 in words is "five million, six hundred eighty-four thousand, two hundred nine".