86403193 has 2 divisors, whose sum is σ = 86403194. Its totient is φ = 86403192.

The previous prime is 86403181. The next prime is 86403217. The reversal of 86403193 is 39130468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66716224 + 19686969 = 8168^2 + 4437^2 .

It is a cyclic number.

It is not a de Polignac number, because 86403193 - 2⁹ = 86402681 is a prime.

It is not a weakly prime, because it can be changed into another prime (86403593) 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, 43201596 + 43201597.

It is an arithmetic number, because the mean of its divisors is an integer number (43201597).

Almost surely, 2^86403193 is an apocalyptic number.

It is an amenable number.

86403193 is a deficient number, since it is larger than the sum of its proper divisors (1).

86403193 is an equidigital number, since it uses as much as digits as its factorization.

86403193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 86403193 is about 9295.3317853641. The cubic root of 86403193 is about 442.0892256552.

The spelling of 86403193 in words is "eighty-six million, four hundred three thousand, one hundred ninety-three".