8858142 has 48 divisors (see below), whose sum is σ = 20592000. Its totient is φ = 2743632.

The previous prime is 8858141. The next prime is 8858149. The reversal of 8858142 is 2418588.

It is a junction number, because it is equal to n+sod(n) for n = 8858097 and 8858106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8858141) 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 23 ways as a sum of consecutive naturals, for example, 19959 + ... + 20397.

It is an arithmetic number, because the mean of its divisors is an integer number (429000).

Almost surely, 2^8858142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8858142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10296000).

8858142 is an abundant number, since it is smaller than the sum of its proper divisors (11733858).

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

8858142 is a wasteful number, since it uses less digits than its factorization.

8858142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 8858142 is about 2976.2630932093. The cubic root of 8858142 is about 206.9097134788.

The spelling of 8858142 in words is "eight million, eight hundred fifty-eight thousand, one hundred forty-two".