8646988 has 48 divisors (see below), whose sum is σ = 18708480. Its totient is φ = 3415104.

The previous prime is 8646971. The next prime is 8647007. The reversal of 8646988 is 8896468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18445 + ... + 18907.

It is an arithmetic number, because the mean of its divisors is an integer number (389760).

Almost surely, 2^8646988 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 8646988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9354240).

8646988 is an abundant number, since it is smaller than the sum of its proper divisors (10061492).

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

8646988 is a wasteful number, since it uses less digits than its factorization.

8646988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 524 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 8646988 is about 2940.5761340254. The cubic root of 8646988 is about 205.2524195820.

It can be divided in two parts, 86 and 46988, that added together give a palindrome (47074).

The spelling of 8646988 in words is "eight million, six hundred forty-six thousand, nine hundred eighty-eight".