9938942 has 8 divisors (see below), whose sum is σ = 16055256. Its totient is φ = 4587192.

The previous prime is 9938927. The next prime is 9938953. The reversal of 9938942 is 2498399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9938893 and 9938902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191108 + ... + 191159.

It is an arithmetic number, because the mean of its divisors is an integer number (2006907).

Almost surely, 2^9938942 is an apocalyptic number.

9938942 is a deficient number, since it is larger than the sum of its proper divisors (6116314).

9938942 is a wasteful number, since it uses less digits than its factorization.

9938942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382282.

The product of its digits is 139968, while the sum is 44.

The square root of 9938942 is about 3152.6087610105. The cubic root of 9938942 is about 215.0040886188.

The spelling of 9938942 in words is "nine million, nine hundred thirty-eight thousand, nine hundred forty-two".