8328981 has 8 divisors (see below), whose sum is σ = 11121184. Its totient is φ = 5544720.

The previous prime is 8328979. The next prime is 8328989. The reversal of 8328981 is 1898238.

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

It is not a de Polignac number, because 8328981 - 2¹ = 8328979 is a prime.

It is a super-3 number, since 3×8328981³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8328989) 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, 1191 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (1390148).

Almost surely, 2^8328981 is an apocalyptic number.

It is an amenable number.

8328981 is a deficient number, since it is larger than the sum of its proper divisors (2792203).

8328981 is a wasteful number, since it uses less digits than its factorization.

8328981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971.

The product of its digits is 27648, while the sum is 39.

The square root of 8328981 is about 2885.9974012462. The cubic root of 8328981 is about 202.7047646786.

The spelling of 8328981 in words is "eight million, three hundred twenty-eight thousand, nine hundred eighty-one".