2853209 has 6 divisors (see below), whose sum is σ = 2949210. Its totient is φ = 2760240.

The previous prime is 2853197. The next prime is 2853217. The reversal of 2853209 is 9023582.

2853209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 1315609 = 1240^2 + 1147^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2853209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2853269) 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 5 ways as a sum of consecutive naturals, for example, 524 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (491535).

2^2853209 is an apocalyptic number.

It is an amenable number.

2853209 is a deficient number, since it is larger than the sum of its proper divisors (96001).

2853209 is an equidigital number, since it uses as much as digits as its factorization.

2853209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2853209 is about 1689.1444580023. The cubic root of 2853209 is about 141.8331870417.

The spelling of 2853209 in words is "two million, eight hundred fifty-three thousand, two hundred nine".