385753391 has 2 divisors, whose sum is σ = 385753392. Its totient is φ = 385753390.

The previous prime is 385753369. The next prime is 385753427. The reversal of 385753391 is 193357583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385753391 - 2⁶ = 385753327 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385753321) 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, 192876695 + 192876696.

It is an arithmetic number, because the mean of its divisors is an integer number (192876696).

Almost surely, 2^385753391 is an apocalyptic number.

385753391 is a deficient number, since it is larger than the sum of its proper divisors (1).

385753391 is an equidigital number, since it uses as much as digits as its factorization.

385753391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 44.

The square root of 385753391 is about 19640.6056678505. The cubic root of 385753391 is about 727.9528502400.

The spelling of 385753391 in words is "three hundred eighty-five million, seven hundred fifty-three thousand, three hundred ninety-one".