2799449 has 2 divisors, whose sum is σ = 2799450. Its totient is φ = 2799448.

The previous prime is 2799443. The next prime is 2799451. The reversal of 2799449 is 9449972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1545049 + 1254400 = 1243^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2799449 - 2²⁰ = 1750873 is a prime.

Together with 2799451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2799443) 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, 1399724 + 1399725.

It is an arithmetic number, because the mean of its divisors is an integer number (1399725).

2^2799449 is an apocalyptic number.

It is an amenable number.

2799449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2799449 is an equidigital number, since it uses as much as digits as its factorization.

2799449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 2799449 is about 1673.1554022266. The cubic root of 2799449 is about 140.9367286500.

The spelling of 2799449 in words is "two million, seven hundred ninety-nine thousand, four hundred forty-nine".