8818981 has 8 divisors (see below), whose sum is σ = 8999424. Its totient is φ = 8640240.

The previous prime is 8818969. The next prime is 8818991. The reversal of 8818981 is 1898188.

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 8818981 - 2¹¹ = 8816933 is a prime.

It is a super-2 number, since 2×8818981² = 155548851756722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8818961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15555 + ... + 16111.

It is an arithmetic number, because the mean of its divisors is an integer number (1124928).

Almost surely, 2^8818981 is an apocalyptic number.

It is an amenable number.

8818981 is a deficient number, since it is larger than the sum of its proper divisors (180443).

8818981 is a wasteful number, since it uses less digits than its factorization.

8818981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 36864, while the sum is 43.

The square root of 8818981 is about 2969.6769184543. The cubic root of 8818981 is about 206.6043536844.

The spelling of 8818981 in words is "eight million, eight hundred eighteen thousand, nine hundred eighty-one".