2791849 has 2 divisors, whose sum is σ = 2791850. Its totient is φ = 2791848.

The previous prime is 2791843. The next prime is 2791897. The reversal of 2791849 is 9481972.

2791849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 1140624 = 1285^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 2791849 - 2⁷ = 2791721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2791843) 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 as a sum of consecutive naturals, namely, 1395924 + 1395925.

It is an arithmetic number, because the mean of its divisors is an integer number (1395925).

2^2791849 is an apocalyptic number.

It is an amenable number.

2791849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2791849 is an equidigital number, since it uses as much as digits as its factorization.

2791849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 2791849 is about 1670.8827008501. The cubic root of 2791849 is about 140.8090737793.

The spelling of 2791849 in words is "two million, seven hundred ninety-one thousand, eight hundred forty-nine".