8938818 has 48 divisors (see below), whose sum is σ = 22516416. Its totient is φ = 2509920.

The previous prime is 8938817. The next prime is 8938823. The reversal of 8938818 is 8188398.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (8938817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7105 + ... + 8267.

It is an arithmetic number, because the mean of its divisors is an integer number (469092).

Almost surely, 2^8938818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8938818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11258208).

8938818 is an abundant number, since it is smaller than the sum of its proper divisors (13577598).

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

8938818 is a wasteful number, since it uses less digits than its factorization.

8938818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1236 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 8938818 is about 2989.7856110430. The cubic root of 8938818 is about 207.5359631865.

The spelling of 8938818 in words is "eight million, nine hundred thirty-eight thousand, eight hundred eighteen".