9903936 has 56 divisors (see below), whose sum is σ = 29951680. Its totient is φ = 2829312.

The previous prime is 9903931. The next prime is 9903937. The reversal of 9903936 is 6393099.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 9903894 and 9903903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9903931) 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 7 ways as a sum of consecutive naturals, for example, 2341 + ... + 5028.

Almost surely, 2^9903936 is an apocalyptic number.

9903936 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9903936 is an abundant number, since it is smaller than the sum of its proper divisors (20047744).

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

9903936 is a wasteful number, since it uses less digits than its factorization.

9903936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391 (or 7381 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 9903936 is about 3147.0519538133. The cubic root of 9903936 is about 214.7513693403.

The spelling of 9903936 in words is "nine million, nine hundred three thousand, nine hundred thirty-six".