86358193 has 4 divisors (see below), whose sum is σ = 87150580. Its totient is φ = 85565808.

The previous prime is 86358163. The next prime is 86358199. The reversal of 86358193 is 39185368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54863649 + 31494544 = 7407^2 + 5612^2 .

It is a cyclic number.

It is not a de Polignac number, because 86358193 - 2⁵ = 86358161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86358199) 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 in 3 ways as a sum of consecutive naturals, for example, 396030 + ... + 396247.

It is an arithmetic number, because the mean of its divisors is an integer number (21787645).

Almost surely, 2^86358193 is an apocalyptic number.

It is an amenable number.

86358193 is a deficient number, since it is larger than the sum of its proper divisors (792387).

86358193 is a wasteful number, since it uses less digits than its factorization.

86358193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792386.

The product of its digits is 155520, while the sum is 43.

The square root of 86358193 is about 9292.9109002508. The cubic root of 86358193 is about 442.0124635621.

The spelling of 86358193 in words is "eighty-six million, three hundred fifty-eight thousand, one hundred ninety-three".