9878342 has 4 divisors (see below), whose sum is σ = 14817516. Its totient is φ = 4939170.

The previous prime is 9878333. The next prime is 9878353. The reversal of 9878342 is 2438789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2438789 = 83 ⋅29383.

It is a self number, because there is not a number n which added to its sum of digits gives 9878342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469584 + ... + 2469587.

It is an arithmetic number, because the mean of its divisors is an integer number (3704379).

Almost surely, 2^9878342 is an apocalyptic number.

9878342 is a deficient number, since it is larger than the sum of its proper divisors (4939174).

9878342 is a wasteful number, since it uses less digits than its factorization.

9878342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939173.

The product of its digits is 96768, while the sum is 41.

The square root of 9878342 is about 3142.9829780004. The cubic root of 9878342 is about 214.5662211341.

The spelling of 9878342 in words is "nine million, eight hundred seventy-eight thousand, three hundred forty-two".