86912393 has 2 divisors, whose sum is σ = 86912394. Its totient is φ = 86912392.

The previous prime is 86912387. The next prime is 86912407. The reversal of 86912393 is 39321968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86638864 + 273529 = 9308^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 86912393 - 2¹⁰ = 86911369 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86912393.

It is not a weakly prime, because it can be changed into another prime (86912303) 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, 43456196 + 43456197.

It is an arithmetic number, because the mean of its divisors is an integer number (43456197).

Almost surely, 2^86912393 is an apocalyptic number.

It is an amenable number.

86912393 is a deficient number, since it is larger than the sum of its proper divisors (1).

86912393 is an equidigital number, since it uses as much as digits as its factorization.

86912393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 86912393 is about 9322.6816421028. The cubic root of 86912393 is about 442.9559801151.

The spelling of 86912393 in words is "eighty-six million, nine hundred twelve thousand, three hundred ninety-three".