2094991 has 2 divisors, whose sum is σ = 2094992. Its totient is φ = 2094990.

The previous prime is 2094979. The next prime is 2095007. The reversal of 2094991 is 1994902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2094991 - 2¹¹ = 2092943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2094091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047495 + 1047496.

It is an arithmetic number, because the mean of its divisors is an integer number (1047496).

2^2094991 is an apocalyptic number.

2094991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2094991 is an equidigital number, since it uses as much as digits as its factorization.

2094991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 2094991 is about 1447.4083736113. The cubic root of 2094991 is about 127.9560192324.

The spelling of 2094991 in words is "two million, ninety-four thousand, nine hundred ninety-one".