2006447 has 2 divisors, whose sum is σ = 2006448. Its totient is φ = 2006446.

The previous prime is 2006443. The next prime is 2006461. The reversal of 2006447 is 7446002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2006447 - 2² = 2006443 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003223 + 1003224.

It is an arithmetic number, because the mean of its divisors is an integer number (1003224).

2^2006447 is an apocalyptic number.

2006447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006447 is an equidigital number, since it uses as much as digits as its factorization.

2006447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2006447 is about 1416.4910871587. The cubic root of 2006447 is about 126.1273383020.

The spelling of 2006447 in words is "two million, six thousand, four hundred forty-seven".