9959936 has 60 divisors (see below), whose sum is σ = 23207778. Its totient is φ = 4257792.

The previous prime is 9959927. The next prime is 9959947. The reversal of 9959936 is 6399599.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 2119936 = 2800^2 + 1456^2 .

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 5 ways as a sum of consecutive naturals, for example, 24890 + ... + 25286.

Almost surely, 2^9959936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9959936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11603889).

9959936 is an abundant number, since it is smaller than the sum of its proper divisors (13247842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9959936 is an equidigital number, since it uses as much as digits as its factorization.

9959936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 406 counting only the distinct ones).

The product of its digits is 590490, while the sum is 50.

The square root of 9959936 is about 3155.9366280076. The cubic root of 9959936 is about 215.1553663370.

The spelling of 9959936 in words is "nine million, nine hundred fifty-nine thousand, nine hundred thirty-six".