84404093 has 2 divisors, whose sum is σ = 84404094. Its totient is φ = 84404092.

The previous prime is 84404087. The next prime is 84404119. The reversal of 84404093 is 39040448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63409369 + 20994724 = 7963^2 + 4582^2 .

It is a cyclic number.

It is not a de Polignac number, because 84404093 - 2⁴ = 84404077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84404003) 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, 42202046 + 42202047.

It is an arithmetic number, because the mean of its divisors is an integer number (42202047).

Almost surely, 2^84404093 is an apocalyptic number.

It is an amenable number.

84404093 is a deficient number, since it is larger than the sum of its proper divisors (1).

84404093 is an equidigital number, since it uses as much as digits as its factorization.

84404093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 84404093 is about 9187.1700212851. The cubic root of 84404093 is about 438.6530658712.

The spelling of 84404093 in words is "eighty-four million, four hundred four thousand, ninety-three".