385783 has 2 divisors, whose sum is σ = 385784. Its totient is φ = 385782.

The previous prime is 385771. The next prime is 385793. The reversal of 385783 is 387583.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385793) 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, 192891 + 192892.

It is an arithmetic number, because the mean of its divisors is an integer number (192892).

2³⁸⁵⁷⁸³ is an apocalyptic number.

385783 is a deficient number, since it is larger than the sum of its proper divisors (1).

385783 is an equidigital number, since it uses as much as digits as its factorization.

385783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 385783 is about 621.1143212002. The cubic root of 385783 is about 72.7971474751.

The spelling of 385783 in words is "three hundred eighty-five thousand, seven hundred eighty-three".