8669988 has 72 divisors (see below), whose sum is σ = 23569728. Its totient is φ = 2680128.

The previous prime is 8669981. The next prime is 8669989. The reversal of 8669988 is 8899668.

It is not an unprimeable number, because it can be changed into a prime (8669981) 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, 30495 + ... + 30777.

Almost surely, 2^8669988 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 8669988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11784864).

8669988 is an abundant number, since it is smaller than the sum of its proper divisors (14899740).

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

8669988 is a wasteful number, since it uses less digits than its factorization.

8669988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 348 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 8669988 is about 2944.4843351596. The cubic root of 8669988 is about 205.4342411297.

The spelling of 8669988 in words is "eight million, six hundred sixty-nine thousand, nine hundred eighty-eight".