8084032421 has 2 divisors, whose sum is σ = 8084032422. Its totient is φ = 8084032420.

The previous prime is 8084032393. The next prime is 8084032447. The reversal of 8084032421 is 1242304808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7556824900 + 527207521 = 86930^2 + 22961^2 .

It is a cyclic number.

It is not a de Polignac number, because 8084032421 - 2¹⁴ = 8084016037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8084034421) 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 as a sum of consecutive naturals, namely, 4042016210 + 4042016211.

It is an arithmetic number, because the mean of its divisors is an integer number (4042016211).

Almost surely, 2^8084032421 is an apocalyptic number.

It is an amenable number.

8084032421 is a deficient number, since it is larger than the sum of its proper divisors (1).

8084032421 is an equidigital number, since it uses as much as digits as its factorization.

8084032421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 8084032421 is about 89911.2474665990. The cubic root of 8084032421 is about 2006.9783249220.

The spelling of 8084032421 in words is "eight billion, eighty-four million, thirty-two thousand, four hundred twenty-one".