9906432 has 36 divisors (see below), whose sum is σ = 26367600. Its totient is φ = 3301888.

The previous prime is 9906401. The next prime is 9906439. The reversal of 9906432 is 2346099.

It is a junction number, because it is equal to n+sod(n) for n = 9906393 and 9906402.

It is not an unprimeable number, because it can be changed into a prime (9906439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5682 + ... + 7217.

Almost surely, 2^9906432 is an apocalyptic number.

It is an amenable number.

9906432 is an abundant number, since it is smaller than the sum of its proper divisors (16461168).

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

9906432 is a wasteful number, since it uses less digits than its factorization.

9906432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918 (or 12904 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 9906432 is about 3147.4484904443. The cubic root of 9906432 is about 214.7694084444.

The spelling of 9906432 in words is "nine million, nine hundred six thousand, four hundred thirty-two".