9440447 has 2 divisors, whose sum is σ = 9440448. Its totient is φ = 9440446.

The previous prime is 9440443. The next prime is 9440449. The reversal of 9440447 is 7440449.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9440447 - 2² = 9440443 is a prime.

Together with 9440449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9440441) 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, 4720223 + 4720224.

It is an arithmetic number, because the mean of its divisors is an integer number (4720224).

Almost surely, 2^9440447 is an apocalyptic number.

9440447 is a deficient number, since it is larger than the sum of its proper divisors (1).

9440447 is an equidigital number, since it uses as much as digits as its factorization.

9440447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 9440447 is about 3072.5310413403. The cubic root of 9440447 is about 211.3476968370.

The spelling of 9440447 in words is "nine million, four hundred forty thousand, four hundred forty-seven".