2841691 has 2 divisors, whose sum is σ = 2841692. Its totient is φ = 2841690.

The previous prime is 2841679. The next prime is 2841733. The reversal of 2841691 is 1961482.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2841691 - 2²¹ = 744539 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2842691) 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, 1420845 + 1420846.

It is an arithmetic number, because the mean of its divisors is an integer number (1420846).

2^2841691 is an apocalyptic number.

2841691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2841691 is an equidigital number, since it uses as much as digits as its factorization.

2841691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 2841691 is about 1685.7315919208. The cubic root of 2841691 is about 141.6420761624.

The spelling of 2841691 in words is "two million, eight hundred forty-one thousand, six hundred ninety-one".