385330193 has 6 divisors (see below), whose sum is σ = 392740614. Its totient is φ = 378057056.

The previous prime is 385330189. The next prime is 385330213. The reversal of 385330193 is 391033583.

It can be written as a sum of positive squares in 3 ways, for example, as 149646289 + 235683904 = 12233^2 + 15352^2 .

It is not a de Polignac number, because 385330193 - 2² = 385330189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385330133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65780 + ... + 71397.

It is an arithmetic number, because the mean of its divisors is an integer number (65456769).

Almost surely, 2^385330193 is an apocalyptic number.

It is an amenable number.

385330193 is a deficient number, since it is larger than the sum of its proper divisors (7410421).

385330193 is an equidigital number, since it uses as much as digits as its factorization.

385330193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137283 (or 137230 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 385330193 is about 19629.8291638007. The cubic root of 385330193 is about 727.6865480519.

The spelling of 385330193 in words is "three hundred eighty-five million, three hundred thirty thousand, one hundred ninety-three".