9648439 has 2 divisors, whose sum is σ = 9648440. Its totient is φ = 9648438.

The previous prime is 9648427. The next prime is 9648473. The reversal of 9648439 is 9348469.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9648439 - 2⁷ = 9648311 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9648395 and 9648404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9648139) 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, 4824219 + 4824220.

It is an arithmetic number, because the mean of its divisors is an integer number (4824220).

Almost surely, 2^9648439 is an apocalyptic number.

9648439 is a deficient number, since it is larger than the sum of its proper divisors (1).

9648439 is an equidigital number, since it uses as much as digits as its factorization.

9648439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 9648439 is about 3106.1936514004. The cubic root of 9648439 is about 212.8885734579. Note that the first 3 decimals are identical.

The spelling of 9648439 in words is "nine million, six hundred forty-eight thousand, four hundred thirty-nine".