2094091 has 2 divisors, whose sum is σ = 2094092. Its totient is φ = 2094090.

The previous prime is 2094073. The next prime is 2094101. The reversal of 2094091 is 1904902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2094091 - 2¹¹ = 2092043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2094011) 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, 1047045 + 1047046.

It is an arithmetic number, because the mean of its divisors is an integer number (1047046).

2^2094091 is an apocalyptic number.

2094091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2094091 is an equidigital number, since it uses as much as digits as its factorization.

2094091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2094091 is about 1447.0974397047. The cubic root of 2094091 is about 127.9376934716.

Adding to 2094091 its reverse (1904902), we get a palindrome (3998993).

The spelling of 2094091 in words is "two million, ninety-four thousand, ninety-one".