86404093 has 2 divisors, whose sum is σ = 86404094. Its totient is φ = 86404092.

The previous prime is 86404061. The next prime is 86404103. The reversal of 86404093 is 39040468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44063044 + 42341049 = 6638^2 + 6507^2 .

It is a cyclic number.

It is not a de Polignac number, because 86404093 - 2⁵ = 86404061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86404033) 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, 43202046 + 43202047.

It is an arithmetic number, because the mean of its divisors is an integer number (43202047).

Almost surely, 2^86404093 is an apocalyptic number.

It is an amenable number.

86404093 is a deficient number, since it is larger than the sum of its proper divisors (1).

86404093 is an equidigital number, since it uses as much as digits as its factorization.

86404093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 86404093 is about 9295.3801966353. The cubic root of 86404093 is about 442.0907606252.

The spelling of 86404093 in words is "eighty-six million, four hundred four thousand, ninety-three".