86305939 has 2 divisors, whose sum is σ = 86305940. Its totient is φ = 86305938.

The previous prime is 86305931. The next prime is 86305949. The reversal of 86305939 is 93950368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86305939 - 2³ = 86305931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86305895 and 86305904.

It is not a weakly prime, because it can be changed into another prime (86305931) 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, 43152969 + 43152970.

It is an arithmetic number, because the mean of its divisors is an integer number (43152970).

Almost surely, 2^86305939 is an apocalyptic number.

86305939 is a deficient number, since it is larger than the sum of its proper divisors (1).

86305939 is an equidigital number, since it uses as much as digits as its factorization.

86305939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 86305939 is about 9290.0989768678. The cubic root of 86305939 is about 441.9232939513.

The spelling of 86305939 in words is "eighty-six million, three hundred five thousand, nine hundred thirty-nine".