8362021 has 2 divisors, whose sum is σ = 8362022. Its totient is φ = 8362020.

The previous prime is 8361979. The next prime is 8362027. The reversal of 8362021 is 1202638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5013121 + 3348900 = 2239^2 + 1830^2 .

It is a cyclic number.

It is not a de Polignac number, because 8362021 - 2¹⁵ = 8329253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8361983 and 8362001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8362027) 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 as a sum of consecutive naturals, namely, 4181010 + 4181011.

It is an arithmetic number, because the mean of its divisors is an integer number (4181011).

Almost surely, 2^8362021 is an apocalyptic number.

It is an amenable number.

8362021 is a deficient number, since it is larger than the sum of its proper divisors (1).

8362021 is an equidigital number, since it uses as much as digits as its factorization.

8362021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 8362021 is about 2891.7159265737. The cubic root of 8362021 is about 202.9724456441.

Adding to 8362021 its reverse (1202638), we get a palindrome (9564659).

The spelling of 8362021 in words is "eight million, three hundred sixty-two thousand, twenty-one".