86347393 has 16 divisors (see below), whose sum is σ = 96074496. Its totient is φ = 76947840.

The previous prime is 86347379. The next prime is 86347409. The reversal of 86347393 is 39374368.

It is a de Polignac number, because none of the positive numbers 2^k-86347393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86347693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235096 + ... + 235462.

It is an arithmetic number, because the mean of its divisors is an integer number (6004656).

Almost surely, 2^86347393 is an apocalyptic number.

It is an amenable number.

86347393 is a deficient number, since it is larger than the sum of its proper divisors (9727103).

86347393 is a wasteful number, since it uses less digits than its factorization.

86347393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its digits is 326592, while the sum is 43.

The square root of 86347393 is about 9292.3297939752. The cubic root of 86347393 is about 441.9940366919.

The spelling of 86347393 in words is "eighty-six million, three hundred forty-seven thousand, three hundred ninety-three".