8281089 has 8 divisors (see below), whose sum is σ = 12268320. Its totient is φ = 5520708.

The previous prime is 8281073. The next prime is 8281099. The reversal of 8281089 is 9801828.

It is not a de Polignac number, because 8281089 - 2⁴ = 8281073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8281019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153327 + ... + 153380.

It is an arithmetic number, because the mean of its divisors is an integer number (1533540).

Almost surely, 2^8281089 is an apocalyptic number.

It is an amenable number.

8281089 is a deficient number, since it is larger than the sum of its proper divisors (3987231).

8281089 is a wasteful number, since it uses less digits than its factorization.

8281089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306716 (or 306710 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 8281089 is about 2877.6881345969. The cubic root of 8281089 is about 202.3154972410.

The spelling of 8281089 in words is "eight million, two hundred eighty-one thousand, eighty-nine".