8988681 has 8 divisors (see below), whose sum is σ = 12906880. Its totient is φ = 5531472.

The previous prime is 8988659. The next prime is 8988689. The reversal of 8988681 is 1868898.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8988681 - 2⁵ = 8988649 is a prime.

It is a super-2 number, since 2×8988681² = 161592772239522, which contains 22 as substring.

It is a Duffinian number.

8988681 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8988681.

It is not an unprimeable number, because it can be changed into a prime (8988689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115201 + ... + 115278.

It is an arithmetic number, because the mean of its divisors is an integer number (1613360).

Almost surely, 2^8988681 is an apocalyptic number.

It is an amenable number.

8988681 is a deficient number, since it is larger than the sum of its proper divisors (3918199).

8988681 is a wasteful number, since it uses less digits than its factorization.

8988681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230495.

The product of its digits is 221184, while the sum is 48.

The square root of 8988681 is about 2998.1129064797. The cubic root of 8988681 is about 207.9211439865.

It can be divided in two parts, 8988 and 681, that added together give a palindrome (9669).

The spelling of 8988681 in words is "eight million, nine hundred eighty-eight thousand, six hundred eighty-one".