9442939 has 8 divisors (see below), whose sum is σ = 10907568. Its totient is φ = 8079360.

The previous prime is 9442933. The next prime is 9442963. The reversal of 9442939 is 9392449.

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

It is a cyclic number.

It is not a de Polignac number, because 9442939 - 2³ = 9442931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9442931) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25062 + ... + 25435.

It is an arithmetic number, because the mean of its divisors is an integer number (1363446).

Almost surely, 2^9442939 is an apocalyptic number.

9442939 is a deficient number, since it is larger than the sum of its proper divisors (1464629).

9442939 is a wasteful number, since it uses less digits than its factorization.

9442939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50525.

The product of its digits is 69984, while the sum is 40.

The square root of 9442939 is about 3072.9365434385. The cubic root of 9442939 is about 211.3662917236.

It can be divided in two parts, 944 and 2939, that added together give a palindrome (3883).

The spelling of 9442939 in words is "nine million, four hundred forty-two thousand, nine hundred thirty-nine".