3850038385 has 4 divisors (see below), whose sum is σ = 4620046068. Its totient is φ = 3080030704.

The previous prime is 3850038329. The next prime is 3850038407. The reversal of 3850038385 is 5838300583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5838300583 = 10597 ⋅550939.

It can be written as a sum of positive squares in 2 ways, for example, as 3077142784 + 772895601 = 55472^2 + 27801^2 .

It is a cyclic number.

It is not a de Polignac number, because 3850038385 - 2¹³ = 3850030193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 385003834 + ... + 385003843.

It is an arithmetic number, because the mean of its divisors is an integer number (1155011517).

Almost surely, 2^3850038385 is an apocalyptic number.

It is an amenable number.

3850038385 is a deficient number, since it is larger than the sum of its proper divisors (770007683).

3850038385 is an equidigital number, since it uses as much as digits as its factorization.

3850038385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770007682.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 3850038385 is about 62048.6775443280. The cubic root of 3850038385 is about 1567.3104159688.

The spelling of 3850038385 in words is "three billion, eight hundred fifty million, thirty-eight thousand, three hundred eighty-five".