9648791 has 2 divisors, whose sum is σ = 9648792. Its totient is φ = 9648790.

The previous prime is 9648787. The next prime is 9648811. The reversal of 9648791 is 1978469.

It is a weak prime.

It is an emirp because it is prime and its reverse (1978469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9648791 - 2² = 9648787 is a prime.

It is a super-3 number, since 3×9648791³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9648701) 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, 4824395 + 4824396.

It is an arithmetic number, because the mean of its divisors is an integer number (4824396).

Almost surely, 2^9648791 is an apocalyptic number.

9648791 is a deficient number, since it is larger than the sum of its proper divisors (1).

9648791 is an equidigital number, since it uses as much as digits as its factorization.

9648791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 9648791 is about 3106.2503118712. The cubic root of 9648791 is about 212.8911623350.

The spelling of 9648791 in words is "nine million, six hundred forty-eight thousand, seven hundred ninety-one".