2006791 has 2 divisors, whose sum is σ = 2006792. Its totient is φ = 2006790.

The previous prime is 2006783. The next prime is 2006813. The reversal of 2006791 is 1976002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2006791 - 2³ = 2006783 is a prime.

2006791 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006491) 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, 1003395 + 1003396.

It is an arithmetic number, because the mean of its divisors is an integer number (1003396).

2^2006791 is an apocalyptic number.

2006791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006791 is an equidigital number, since it uses as much as digits as its factorization.

2006791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2006791 is about 1416.6125087687. The cubic root of 2006791 is about 126.1345459557.

The spelling of 2006791 in words is "two million, six thousand, seven hundred ninety-one".