8089021 has 4 divisors (see below), whose sum is σ = 8100544. Its totient is φ = 8077500.

The previous prime is 8089009. The next prime is 8089033. The reversal of 8089021 is 1209808.

8089021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8089009) and next prime (8089033).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8089021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8089001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4635 + ... + 6136.

It is an arithmetic number, because the mean of its divisors is an integer number (2025136).

Almost surely, 2^8089021 is an apocalyptic number.

It is an amenable number.

8089021 is a deficient number, since it is larger than the sum of its proper divisors (11523).

8089021 is a wasteful number, since it uses less digits than its factorization.

8089021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 8089021 is about 2844.1204264236. The cubic root of 8089021 is about 200.7391069069.

The spelling of 8089021 in words is "eight million, eighty-nine thousand, twenty-one".