9858842 has 16 divisors (see below), whose sum is σ = 16941312. Its totient is φ = 4215120.

The previous prime is 9858833. The next prime is 9858859. The reversal of 9858842 is 2488589.

It is a junction number, because it is equal to n+sod(n) for n = 9858793 and 9858802.

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 in 7 ways as a sum of consecutive naturals, for example, 10367 + ... + 11277.

It is an arithmetic number, because the mean of its divisors is an integer number (1058832).

Almost surely, 2^9858842 is an apocalyptic number.

9858842 is a deficient number, since it is larger than the sum of its proper divisors (7082470).

9858842 is a wasteful number, since it uses less digits than its factorization.

9858842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its digits is 184320, while the sum is 44.

The square root of 9858842 is about 3139.8792970431. The cubic root of 9858842 is about 214.4249424507.

The spelling of 9858842 in words is "nine million, eight hundred fifty-eight thousand, eight hundred forty-two".