8818920 has 192 divisors, whose sum is σ = 33359040. Its totient is φ = 1996800.

The previous prime is 8818897. The next prime is 8818933. The reversal of 8818920 is 298188.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67255 + ... + 67385.

It is an arithmetic number, because the mean of its divisors is an integer number (173745).

Almost surely, 2^8818920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8818920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16679520).

8818920 is an abundant number, since it is smaller than the sum of its proper divisors (24540120).

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

8818920 is a wasteful number, since it uses less digits than its factorization.

8818920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 8818920 is about 2969.6666479590. Note that the first 4 decimals coincide. The cubic root of 8818920 is about 206.6038773295.

It can be divided in two parts, 88189 and 20, that added together give a square (88209 = 297²).

The spelling of 8818920 in words is "eight million, eight hundred eighteen thousand, nine hundred twenty".