3851838385 has 8 divisors (see below), whose sum is σ = 4631472000. Its totient is φ = 3075293424.

The previous prime is 3851838379. The next prime is 3851838401. The reversal of 3851838385 is 5838381583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3851838385 - 2¹¹ = 3851836337 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 769417 + ... + 774406.

It is an arithmetic number, because the mean of its divisors is an integer number (578934000).

Almost surely, 2^3851838385 is an apocalyptic number.

It is an amenable number.

3851838385 is a deficient number, since it is larger than the sum of its proper divisors (779633615).

3851838385 is a wasteful number, since it uses less digits than its factorization.

3851838385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544327.

The product of its digits is 2764800, while the sum is 52.

The square root of 3851838385 is about 62063.1805904274. The cubic root of 3851838385 is about 1567.5546316471.

The spelling of 3851838385 in words is "three billion, eight hundred fifty-one million, eight hundred thirty-eight thousand, three hundred eighty-five".