9942432 has 24 divisors (see below), whose sum is σ = 26099136. Its totient is φ = 3314112.

The previous prime is 9942421. The next prime is 9942437. The reversal of 9942432 is 2342499.

9942432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9942393 and 9942402.

It is not an unprimeable number, because it can be changed into a prime (9942437) 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, 51688 + ... + 51879.

It is an arithmetic number, because the mean of its divisors is an integer number (1087464).

Almost surely, 2^9942432 is an apocalyptic number.

It is an amenable number.

9942432 is an abundant number, since it is smaller than the sum of its proper divisors (16156704).

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

9942432 is a wasteful number, since it uses less digits than its factorization.

9942432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103580 (or 103572 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 9942432 is about 3153.1622222778. The cubic root of 9942432 is about 215.0292514735.

The spelling of 9942432 in words is "nine million, nine hundred forty-two thousand, four hundred thirty-two".