8089981 has 8 divisors (see below), whose sum is σ = 8213184. Its totient is φ = 7968000.

The previous prime is 8089967. The next prime is 8090041. The reversal of 8089981 is 1899808.

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 8089981 - 2¹³ = 8081789 is a prime.

It is a super-2 number, since 2×8089981² = 130895585160722, which contains 22 as substring.

It is a Duffinian number.

8089981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8089901) 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, 32106 + ... + 32356.

It is an arithmetic number, because the mean of its divisors is an integer number (1026648).

Almost surely, 2^8089981 is an apocalyptic number.

It is an amenable number.

8089981 is a deficient number, since it is larger than the sum of its proper divisors (123203).

8089981 is a wasteful number, since it uses less digits than its factorization.

8089981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

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

The square root of 8089981 is about 2844.2891906415. The cubic root of 8089981 is about 200.7470477904.

The spelling of 8089981 in words is "eight million, eighty-nine thousand, nine hundred eighty-one".