9649447 has 2 divisors, whose sum is σ = 9649448. Its totient is φ = 9649446.

The previous prime is 9649417. The next prime is 9649481. The reversal of 9649447 is 7449469.

9649447 is digitally balanced in base 3, 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 9649447 - 2¹¹ = 9647399 is a prime.

It is a super-2 number, since 2×9649447² = 186223654811618, which contains 22 as substring.

9649447 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9649417) 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, 4824723 + 4824724.

It is an arithmetic number, because the mean of its divisors is an integer number (4824724).

Almost surely, 2^9649447 is an apocalyptic number.

9649447 is a deficient number, since it is larger than the sum of its proper divisors (1).

9649447 is an equidigital number, since it uses as much as digits as its factorization.

9649447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 9649447 is about 3106.3559036273. The cubic root of 9649447 is about 212.8959868924.

The spelling of 9649447 in words is "nine million, six hundred forty-nine thousand, four hundred forty-seven".