385036385 has 4 divisors (see below), whose sum is σ = 462043668. Its totient is φ = 308029104.

The previous prime is 385036297. The next prime is 385036391. The reversal of 385036385 is 583630583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261404224 + 123632161 = 16168^2 + 11119^2 .

It is a cyclic number.

It is not a de Polignac number, because 385036385 - 2⁸ = 385036129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38503634 + ... + 38503643.

It is an arithmetic number, because the mean of its divisors is an integer number (115510917).

Almost surely, 2^385036385 is an apocalyptic number.

It is an amenable number.

385036385 is a deficient number, since it is larger than the sum of its proper divisors (77007283).

385036385 is an equidigital number, since it uses as much as digits as its factorization.

385036385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77007282.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 385036385 is about 19622.3440240966. The cubic root of 385036385 is about 727.5015513089.

The spelling of 385036385 in words is "three hundred eighty-five million, thirty-six thousand, three hundred eighty-five".