9663256 has 24 divisors (see below), whose sum is σ = 18484020. Its totient is φ = 4736048.

The previous prime is 9663233. The next prime is 9663257. The reversal of 9663256 is 6523669.

9663256 = 140² + 141² + ... + 316².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9663257) 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 5 ways as a sum of consecutive naturals, for example, 27675 + ... + 28021.

Almost surely, 2^9663256 is an apocalyptic number.

It is an amenable number.

9663256 is a deficient number, since it is larger than the sum of its proper divisors (8820764).

9663256 is a wasteful number, since it uses less digits than its factorization.

9663256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 408 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 9663256 is about 3108.5778098674. The cubic root of 9663256 is about 212.9974945887.

The spelling of 9663256 in words is "nine million, six hundred sixty-three thousand, two hundred fifty-six".