84241039 has 2 divisors, whose sum is σ = 84241040. Its totient is φ = 84241038.

The previous prime is 84241033. The next prime is 84241057. The reversal of 84241039 is 93014248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84241039 - 2⁵ = 84241007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84241039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84241033) 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, 42120519 + 42120520.

It is an arithmetic number, because the mean of its divisors is an integer number (42120520).

Almost surely, 2^84241039 is an apocalyptic number.

84241039 is a deficient number, since it is larger than the sum of its proper divisors (1).

84241039 is an equidigital number, since it uses as much as digits as its factorization.

84241039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 84241039 is about 9178.2917255882. The cubic root of 84241039 is about 438.3704166878.

The spelling of 84241039 in words is "eighty-four million, two hundred forty-one thousand, thirty-nine".