5624209 has 4 divisors (see below), whose sum is σ = 5920240. Its totient is φ = 5328180.

The previous prime is 5624207. The next prime is 5624219. The reversal of 5624209 is 9024265.

5624209 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5624209 - 2¹ = 5624207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5624207) 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, 147987 + ... + 148024.

It is an arithmetic number, because the mean of its divisors is an integer number (1480060).

Almost surely, 2^5624209 is an apocalyptic number.

It is an amenable number.

5624209 is a deficient number, since it is larger than the sum of its proper divisors (296031).

5624209 is a wasteful number, since it uses less digits than its factorization.

5624209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296030.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 5624209 is about 2371.5414818215. The cubic root of 5624209 is about 177.8363285297.

The spelling of 5624209 in words is "five million, six hundred twenty-four thousand, two hundred nine".