8908981 has 8 divisors (see below), whose sum is σ = 9354240. Its totient is φ = 8468592.

The previous prime is 8908979. The next prime is 8908987. The reversal of 8908981 is 1898098.

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

It is a cyclic number.

It is not a de Polignac number, because 8908981 - 2¹ = 8908979 is a prime.

It is a super-2 number, since 2×8908981² = 158739884916722, which contains 22 as substring.

It is a Duffinian number.

8908981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8908987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2860 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (1169280).

Almost surely, 2^8908981 is an apocalyptic number.

It is an amenable number.

8908981 is a deficient number, since it is larger than the sum of its proper divisors (445259).

8908981 is a wasteful number, since it uses less digits than its factorization.

8908981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 8908981 is about 2984.7916175170. The cubic root of 8908981 is about 207.3047934326.

It can be divided in two parts, 8908 and 981, that added together give a palindrome (9889).

The spelling of 8908981 in words is "eight million, nine hundred eight thousand, nine hundred eighty-one".