8816940 has 144 divisors (see below), whose sum is σ = 30060576. Its totient is φ = 2073600.

The previous prime is 8816939. The next prime is 8816959. The reversal of 8816940 is 496188.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 8816895 and 8816904.

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, 120744 + ... + 120816.

It is an arithmetic number, because the mean of its divisors is an integer number (208754).

Almost surely, 2^8816940 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 8816940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15030288).

8816940 is an abundant number, since it is smaller than the sum of its proper divisors (21243636).

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

8816940 is a wasteful number, since it uses less digits than its factorization.

8816940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8816940 is about 2969.3332584942. Note that the first 3 decimals coincide. The cubic root of 8816940 is about 206.5884141248.

It can be divided in two parts, 88169 and 40, that added together give a square (88209 = 297²).

The spelling of 8816940 in words is "eight million, eight hundred sixteen thousand, nine hundred forty".