9661936 has 20 divisors (see below), whose sum is σ = 19001512. Its totient is φ = 4758336.

The previous prime is 9661919. The next prime is 9661943. The reversal of 9661936 is 6391669.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435 + ... + 5578.

Almost surely, 2^9661936 is an apocalyptic number.

It is an amenable number.

9661936 is a deficient number, since it is larger than the sum of its proper divisors (9339576).

9661936 is a wasteful number, since it uses less digits than its factorization.

9661936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9088 (or 9082 counting only the distinct ones).

The product of its digits is 52488, while the sum is 40.

The square root of 9661936 is about 3108.3654868757. The cubic root of 9661936 is about 212.9877956668.

The spelling of 9661936 in words is "nine million, six hundred sixty-one thousand, nine hundred thirty-six".