9961936 has 10 divisors (see below), whose sum is σ = 19301282. Its totient is φ = 4980960.

The previous prime is 9961927. The next prime is 9961937. The reversal of 9961936 is 6391699.

It can be written as a sum of positive squares in only one way, i.e., 9960336 + 1600 = 3156^2 + 40^2 .

It is a super-4 number, since 4×9961936⁴ (a number of 29 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9961892 and 9961901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9961937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311295 + ... + 311326.

Almost surely, 2^9961936 is an apocalyptic number.

It is an amenable number.

9961936 is a deficient number, since it is larger than the sum of its proper divisors (9339346).

9961936 is a wasteful number, since it uses less digits than its factorization.

9961936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622629 (or 622623 counting only the distinct ones).

The product of its digits is 78732, while the sum is 43.

The square root of 9961936 is about 3156.2534752456. The cubic root of 9961936 is about 215.1697667620.

The spelling of 9961936 in words is "nine million, nine hundred sixty-one thousand, nine hundred thirty-six".