9873942 has 32 divisors (see below), whose sum is σ = 21390432. Its totient is φ = 3020544.

The previous prime is 9873937. The next prime is 9873943. The reversal of 9873942 is 2493789.

It is a junction number, because it is equal to n+sod(n) for n = 9873894 and 9873903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9873943) 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 15 ways as a sum of consecutive naturals, for example, 21378 + ... + 21834.

It is an arithmetic number, because the mean of its divisors is an integer number (668451).

Almost surely, 2^9873942 is an apocalyptic number.

9873942 is an abundant number, since it is smaller than the sum of its proper divisors (11516490).

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

9873942 is a wasteful number, since it uses less digits than its factorization.

9873942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 108864, while the sum is 42.

The square root of 9873942 is about 3142.2829280636. The cubic root of 9873942 is about 214.5343591213.

The spelling of 9873942 in words is "nine million, eight hundred seventy-three thousand, nine hundred forty-two".