9656646 has 24 divisors (see below), whose sum is σ = 20519880. Its totient is φ = 3028992.

The previous prime is 9656627. The next prime is 9656651. The reversal of 9656646 is 6466569.

It is a junction number, because it is equal to n+sod(n) for n = 9656598 and 9656607.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1051 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (854995).

Almost surely, 2^9656646 is an apocalyptic number.

9656646 is an abundant number, since it is smaller than the sum of its proper divisors (10863234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9656646 is a wasteful number, since it uses less digits than its factorization.

9656646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608 (or 5591 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 9656646 is about 3107.5144408353. The cubic root of 9656646 is about 212.9489176363.

The spelling of 9656646 in words is "nine million, six hundred fifty-six thousand, six hundred forty-six".