2116447 has 2 divisors, whose sum is σ = 2116448. Its totient is φ = 2116446.

The previous prime is 2116441. The next prime is 2116459. The reversal of 2116447 is 7446112.

2116447 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 is a cyclic number.

It is not a de Polignac number, because 2116447 - 2¹⁹ = 1592159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116441) 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, 1058223 + 1058224.

It is an arithmetic number, because the mean of its divisors is an integer number (1058224).

2^2116447 is an apocalyptic number.

2116447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116447 is an equidigital number, since it uses as much as digits as its factorization.

2116447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 2116447 is about 1454.8013610112. The cubic root of 2116447 is about 128.3913599774.

The spelling of 2116447 in words is "two million, one hundred sixteen thousand, four hundred forty-seven".