8087021 has 4 divisors (see below), whose sum is σ = 8096352. Its totient is φ = 8077692.

The previous prime is 8087017. The next prime is 8087059. The reversal of 8087021 is 1207808.

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 a cyclic number.

It is not a de Polignac number, because 8087021 - 2² = 8087017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8087081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3215 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (2024088).

Almost surely, 2^8087021 is an apocalyptic number.

It is an amenable number.

8087021 is a deficient number, since it is larger than the sum of its proper divisors (9331).

8087021 is an equidigital number, since it uses as much as digits as its factorization.

8087021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9330.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 8087021 is about 2843.7688021356. The cubic root of 8087021 is about 200.7225613815.

The spelling of 8087021 in words is "eight million, eighty-seven thousand, twenty-one".