2084449 has 2 divisors, whose sum is σ = 2084450. Its totient is φ = 2084448.

The previous prime is 2084447. The next prime is 2084479. The reversal of 2084449 is 9444802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 53824 = 1425^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2084449 - 2¹ = 2084447 is a prime.

Together with 2084447, it forms a pair of twin primes.

2084449 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2084449.

It is not a weakly prime, because it can be changed into another prime (2084441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042224 + 1042225.

It is an arithmetic number, because the mean of its divisors is an integer number (1042225).

2^2084449 is an apocalyptic number.

It is an amenable number.

2084449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2084449 is an equidigital number, since it uses as much as digits as its factorization.

2084449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2084449 is about 1443.7620995164. The cubic root of 2084449 is about 127.7410332208.

The spelling of 2084449 in words is "two million, eighty-four thousand, four hundred forty-nine".