8989816 has 48 divisors (see below), whose sum is σ = 19104120. Its totient is φ = 3960000.

The previous prime is 8989789. The next prime is 8989817. The reversal of 8989816 is 6189898.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 8989816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8989817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35691 + ... + 35941.

Almost surely, 2^8989816 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 8989816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9552060).

8989816 is an abundant number, since it is smaller than the sum of its proper divisors (10114304).

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

8989816 is a wasteful number, since it uses less digits than its factorization.

8989816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 301 counting only the distinct ones).

The product of its digits is 248832, while the sum is 49.

The square root of 8989816 is about 2998.3021862381. The cubic root of 8989816 is about 207.9298950133.

The spelling of 8989816 in words is "eight million, nine hundred eighty-nine thousand, eight hundred sixteen".