8118858 has 48 divisors (see below), whose sum is σ = 18271008. Its totient is φ = 2402400.

The previous prime is 8118857. The next prime is 8118863. The reversal of 8118858 is 8588118.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8118853) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 38373 + ... + 38583.

It is an arithmetic number, because the mean of its divisors is an integer number (380646).

Almost surely, 2^8118858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8118858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9135504).

8118858 is an abundant number, since it is smaller than the sum of its proper divisors (10152150).

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

8118858 is a wasteful number, since it uses less digits than its factorization.

8118858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 280 counting only the distinct ones).

The product of its digits is 20480, while the sum is 39.

The square root of 8118858 is about 2849.3609809921. The cubic root of 8118858 is about 200.9856181388.

It can be divided in two parts, 811 and 8858, that added together give a palindrome (9669).

The spelling of 8118858 in words is "eight million, one hundred eighteen thousand, eight hundred fifty-eight".