8989788 has 12 divisors (see below), whose sum is σ = 20976200. Its totient is φ = 2996592.

The previous prime is 8989781. The next prime is 8989789. The reversal of 8989788 is 8879898.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8989781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374563 + ... + 374586.

Almost surely, 2^8989788 is an apocalyptic number.

It is an amenable number.

8989788 is an abundant number, since it is smaller than the sum of its proper divisors (11986412).

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

8989788 is a wasteful number, since it uses less digits than its factorization.

8989788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749156 (or 749154 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 57.

The square root of 8989788 is about 2998.2975169252. The cubic root of 8989788 is about 207.9296791378.

The spelling of 8989788 in words is "eight million, nine hundred eighty-nine thousand, seven hundred eighty-eight".