2006441 has 2 divisors, whose sum is σ = 2006442. Its totient is φ = 2006440.

The previous prime is 2006437. The next prime is 2006443. The reversal of 2006441 is 1446002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 355216 = 1285^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006441 - 2² = 2006437 is a prime.

Together with 2006443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2006443) 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, 1003220 + 1003221.

It is an arithmetic number, because the mean of its divisors is an integer number (1003221).

2^2006441 is an apocalyptic number.

It is an amenable number.

2006441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006441 is an equidigital number, since it uses as much as digits as its factorization.

2006441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2006441 is about 1416.4889692476. The cubic root of 2006441 is about 126.1272125798.

The spelling of 2006441 in words is "two million, six thousand, four hundred forty-one".