9660656 has 10 divisors (see below), whose sum is σ = 18717552. Its totient is φ = 4830320.

The previous prime is 9660653. The next prime is 9660659. The reversal of 9660656 is 6560669.

It is an interprime number because it is at equal distance from previous prime (9660653) and next prime (9660659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9660653) 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 as a sum of consecutive naturals, namely, 301880 + ... + 301911.

Almost surely, 2^9660656 is an apocalyptic number.

It is an amenable number.

9660656 is a deficient number, since it is larger than the sum of its proper divisors (9056896).

9660656 is a wasteful number, since it uses less digits than its factorization.

9660656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603799 (or 603793 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 9660656 is about 3108.1595840626. The cubic root of 9660656 is about 212.9783898080.

The spelling of 9660656 in words is "nine million, six hundred sixty thousand, six hundred fifty-six".