8082021 has 16 divisors (see below), whose sum is σ = 11721024. Its totient is φ = 4932864.

The previous prime is 8082017. The next prime is 8082037. The reversal of 8082021 is 1202808.

It is not a de Polignac number, because 8082021 - 2² = 8082017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8082421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255 + ... + 4028.

It is an arithmetic number, because the mean of its divisors is an integer number (732564).

Almost surely, 2^8082021 is an apocalyptic number.

It is an amenable number.

8082021 is a deficient number, since it is larger than the sum of its proper divisors (3639003).

8082021 is a wasteful number, since it uses less digits than its factorization.

8082021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 8082021 is about 2842.8895511433. The cubic root of 8082021 is about 200.6811856300.

Adding to 8082021 its reverse (1202808), we get a palindrome (9284829).

The spelling of 8082021 in words is "eight million, eighty-two thousand, twenty-one".