9903632 has 40 divisors (see below), whose sum is σ = 20332032. Its totient is φ = 4665600.

The previous prime is 9903623. The next prime is 9903671. The reversal of 9903632 is 2363099.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20093 + ... + 20579.

Almost surely, 2^9903632 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 9903632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10166016).

9903632 is an abundant number, since it is smaller than the sum of its proper divisors (10428400).

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

9903632 is a wasteful number, since it uses less digits than its factorization.

With its successor (9903633) it forms an eRAP, since the sums of their prime factors are consecutive (567 and 568).

9903632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 9903632 is about 3147.0036542718. The cubic root of 9903632 is about 214.7491720629.

The spelling of 9903632 in words is "nine million, nine hundred three thousand, six hundred thirty-two".