9900732 has 24 divisors (see below), whose sum is σ = 24461136. Its totient is φ = 3106048.

The previous prime is 9900697. The next prime is 9900733. The reversal of 9900732 is 2370099.

9900732 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9900732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24063 + ... + 24470.

It is an arithmetic number, because the mean of its divisors is an integer number (1019214).

Almost surely, 2^9900732 is an apocalyptic number.

It is an amenable number.

9900732 is an abundant number, since it is smaller than the sum of its proper divisors (14560404).

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

9900732 is a wasteful number, since it uses less digits than its factorization.

9900732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48557 (or 48555 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 9900732 is about 3146.5428647962. The cubic root of 9900732 is about 214.7282089322.

The spelling of 9900732 in words is "nine million, nine hundred thousand, seven hundred thirty-two".