9929542 has 32 divisors (see below), whose sum is σ = 18112320. Its totient is φ = 3991680.

The previous prime is 9929531. The next prime is 9929551. The reversal of 9929542 is 2459299.

It is a junction number, because it is equal to n+sod(n) for n = 9929495 and 9929504.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14692 + ... + 15352.

It is an arithmetic number, because the mean of its divisors is an integer number (566010).

Almost surely, 2^9929542 is an apocalyptic number.

9929542 is a deficient number, since it is larger than the sum of its proper divisors (8182778).

9929542 is a wasteful number, since it uses less digits than its factorization.

9929542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its digits is 58320, while the sum is 40.

The square root of 9929542 is about 3151.1175795263. The cubic root of 9929542 is about 214.9362854289.

The spelling of 9929542 in words is "nine million, nine hundred twenty-nine thousand, five hundred forty-two".