9646789 has 4 divisors (see below), whose sum is σ = 9653824. Its totient is φ = 9639756.

The previous prime is 9646783. The next prime is 9646801. The reversal of 9646789 is 9876469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9646789 - 2⁹ = 9646277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9646783) 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 in 3 ways as a sum of consecutive naturals, for example, 717 + ... + 4450.

It is an arithmetic number, because the mean of its divisors is an integer number (2413456).

Almost surely, 2^9646789 is an apocalyptic number.

It is an amenable number.

9646789 is a deficient number, since it is larger than the sum of its proper divisors (7035).

9646789 is a wasteful number, since it uses less digits than its factorization.

9646789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034.

The product of its digits is 653184, while the sum is 49.

The square root of 9646789 is about 3105.9280416648. The cubic root of 9646789 is about 212.8764372574.

The spelling of 9646789 in words is "nine million, six hundred forty-six thousand, seven hundred eighty-nine".