385864333 has 2 divisors, whose sum is σ = 385864334. Its totient is φ = 385864332.

The previous prime is 385864301. The next prime is 385864403. The reversal of 385864333 is 333468583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385808164 + 56169 = 19642^2 + 237^2 .

It is a cyclic number.

It is not a de Polignac number, because 385864333 - 2⁵ = 385864301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385864333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385804333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192932166 + 192932167.

It is an arithmetic number, because the mean of its divisors is an integer number (192932167).

Almost surely, 2^385864333 is an apocalyptic number.

It is an amenable number.

385864333 is a deficient number, since it is larger than the sum of its proper divisors (1).

385864333 is an equidigital number, since it uses as much as digits as its factorization.

385864333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 43.

The square root of 385864333 is about 19643.4297667184. The cubic root of 385864333 is about 728.0226295395.

The spelling of 385864333 in words is "three hundred eighty-five million, eight hundred sixty-four thousand, three hundred thirty-three".