9665632 has 24 divisors (see below), whose sum is σ = 19126800. Its totient is φ = 4808064.

The previous prime is 9665609. The next prime is 9665641. The reversal of 9665632 is 2365669.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9665591 and 9665600.

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 3 ways as a sum of consecutive naturals, for example, 6669 + ... + 7987.

It is an arithmetic number, because the mean of its divisors is an integer number (796950).

Almost surely, 2^9665632 is an apocalyptic number.

It is an amenable number.

9665632 is a deficient number, since it is larger than the sum of its proper divisors (9461168).

9665632 is a wasteful number, since it uses less digits than its factorization.

9665632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558 (or 1550 counting only the distinct ones).

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

The square root of 9665632 is about 3108.9599547115. The cubic root of 9665632 is about 213.0149504226.

Adding to 9665632 its sum of digits (37), we get a palindrome (9665669).

The spelling of 9665632 in words is "nine million, six hundred sixty-five thousand, six hundred thirty-two".