2040449 has 2 divisors, whose sum is σ = 2040450. Its totient is φ = 2040448.

The previous prime is 2040443. The next prime is 2040457. The reversal of 2040449 is 9440402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 552049 = 1220^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040449 - 2⁴ = 2040433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020224 + 1020225.

It is an arithmetic number, because the mean of its divisors is an integer number (1020225).

2^2040449 is an apocalyptic number.

It is an amenable number.

2040449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040449 is an equidigital number, since it uses as much as digits as its factorization.

2040449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2040449 is about 1428.4428585001. The cubic root of 2040449 is about 126.8358181808.

The spelling of 2040449 in words is "two million, forty thousand, four hundred forty-nine".