3850381220 has 24 divisors (see below), whose sum is σ = 9240915264. Its totient is φ = 1320130656.

The previous prime is 3850381193. The next prime is 3850381231. The reversal of 3850381220 is 221830583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13751222 + ... + 13751501.

It is an arithmetic number, because the mean of its divisors is an integer number (385038136).

Almost surely, 2^3850381220 is an apocalyptic number.

It is an amenable number.

3850381220 is an abundant number, since it is smaller than the sum of its proper divisors (5390534044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3850381220 is a wasteful number, since it uses less digits than its factorization.

3850381220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502739 (or 27502737 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 3850381220 is about 62051.4401122166. The cubic root of 3850381220 is about 1567.3569361040.

The spelling of 3850381220 in words is "three billion, eight hundred fifty million, three hundred eighty-one thousand, two hundred twenty".