2824209 has 12 divisors (see below), whose sum is σ = 4116996. Its totient is φ = 1865472.

The previous prime is 2824207. The next prime is 2824259. The reversal of 2824209 is 9024282.

It can be written as a sum of positive squares in 2 ways, for example, as 199809 + 2624400 = 447^2 + 1620^2 .

It is not a de Polignac number, because 2824209 - 2¹ = 2824207 is a prime.

2824209 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2824201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372 + ... + 2405.

It is an arithmetic number, because the mean of its divisors is an integer number (343083).

2^2824209 is an apocalyptic number.

It is an amenable number.

2824209 is a deficient number, since it is larger than the sum of its proper divisors (1292787).

2824209 is a wasteful number, since it uses less digits than its factorization.

2824209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896 (or 2893 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2824209 is about 1680.5383066149. The cubic root of 2824209 is about 141.3510191813.

The spelling of 2824209 in words is "two million, eight hundred twenty-four thousand, two hundred nine".