385963783 has 2 divisors, whose sum is σ = 385963784. Its totient is φ = 385963782.

The previous prime is 385963771. The next prime is 385963811. The reversal of 385963783 is 387369583.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385963783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385963783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385963183) 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, 192981891 + 192981892.

It is an arithmetic number, because the mean of its divisors is an integer number (192981892).

Almost surely, 2^385963783 is an apocalyptic number.

385963783 is a deficient number, since it is larger than the sum of its proper divisors (1).

385963783 is an equidigital number, since it uses as much as digits as its factorization.

385963783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 385963783 is about 19645.9609843856. The cubic root of 385963783 is about 728.0851693366.

The spelling of 385963783 in words is "three hundred eighty-five million, nine hundred sixty-three thousand, seven hundred eighty-three".