9942844 has 12 divisors (see below), whose sum is σ = 17572968. Its totient is φ = 4922000.

The previous prime is 9942797. The next prime is 9942883. The reversal of 9942844 is 4482499.

It is a junction number, because it is equal to n+sod(n) for n = 9942797 and 9942806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11902 + ... + 12709.

It is an arithmetic number, because the mean of its divisors is an integer number (1464414).

Almost surely, 2^9942844 is an apocalyptic number.

It is an amenable number.

9942844 is a deficient number, since it is larger than the sum of its proper divisors (7630124).

9942844 is a wasteful number, since it uses less digits than its factorization.

9942844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24716 (or 24714 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 9942844 is about 3153.2275528417. The cubic root of 9942844 is about 215.0322215995.

The spelling of 9942844 in words is "nine million, nine hundred forty-two thousand, eight hundred forty-four".