390086563 has 2 divisors, whose sum is σ = 390086564. Its totient is φ = 390086562.

The previous prime is 390086551. The next prime is 390086591. The reversal of 390086563 is 365680093.

It is a weak prime.

It is an emirp because it is prime and its reverse (365680093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 390086563 - 2⁵ = 390086531 is a prime.

It is not a weakly prime, because it can be changed into another prime (390087563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195043281 + 195043282.

It is an arithmetic number, because the mean of its divisors is an integer number (195043282).

Almost surely, 2^390086563 is an apocalyptic number.

390086563 is a deficient number, since it is larger than the sum of its proper divisors (1).

390086563 is an equidigital number, since it uses as much as digits as its factorization.

390086563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 390086563 is about 19750.6091804785. The cubic root of 390086563 is about 730.6684082542.

The spelling of 390086563 in words is "three hundred ninety million, eighty-six thousand, five hundred sixty-three".