84004411 has 2 divisors, whose sum is σ = 84004412. Its totient is φ = 84004410.

The previous prime is 84004409. The next prime is 84004423. The reversal of 84004411 is 11440048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84004411 - 2¹ = 84004409 is a prime.

Together with 84004409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84002411) 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, 42002205 + 42002206.

It is an arithmetic number, because the mean of its divisors is an integer number (42002206).

Almost surely, 2^84004411 is an apocalyptic number.

84004411 is a deficient number, since it is larger than the sum of its proper divisors (1).

84004411 is an equidigital number, since it uses as much as digits as its factorization.

84004411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 84004411 is about 9165.3920265311. The cubic root of 84004411 is about 437.9595797510.

Adding to 84004411 its reverse (11440048), we get a palindrome (95444459).

The spelling of 84004411 in words is "eighty-four million, four thousand, four hundred eleven".