385535329 has 2 divisors, whose sum is σ = 385535330. Its totient is φ = 385535328.

The previous prime is 385535317. The next prime is 385535351. The reversal of 385535329 is 923535583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347897104 + 37638225 = 18652^2 + 6135^2 .

It is a cyclic number.

It is not a de Polignac number, because 385535329 - 2²¹ = 383438177 is a prime.

It is not a weakly prime, because it can be changed into another prime (385535389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192767664 + 192767665.

It is an arithmetic number, because the mean of its divisors is an integer number (192767665).

Almost surely, 2^385535329 is an apocalyptic number.

It is an amenable number.

385535329 is a deficient number, since it is larger than the sum of its proper divisors (1).

385535329 is an equidigital number, since it uses as much as digits as its factorization.

385535329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 43.

The square root of 385535329 is about 19635.0535777217. The cubic root of 385535329 is about 727.8156565660.

The spelling of 385535329 in words is "three hundred eighty-five million, five hundred thirty-five thousand, three hundred twenty-nine".