2849209 has 4 divisors (see below), whose sum is σ = 3108240. Its totient is φ = 2590180.

The previous prime is 2849207. The next prime is 2849233. The reversal of 2849209 is 9029482.

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 2849209 - 2¹ = 2849207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2849201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129499 + ... + 129520.

It is an arithmetic number, because the mean of its divisors is an integer number (777060).

2^2849209 is an apocalyptic number.

It is an amenable number.

2849209 is a deficient number, since it is larger than the sum of its proper divisors (259031).

2849209 is a wasteful number, since it uses less digits than its factorization.

2849209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259030.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2849209 is about 1687.9600113747. The cubic root of 2849209 is about 141.7668759659.

The spelling of 2849209 in words is "two million, eight hundred forty-nine thousand, two hundred nine".