3850421960 has 256 divisors, whose sum is σ = 11390976000. Its totient is φ = 1160006400.

The previous prime is 3850421957. The next prime is 3850421969. The reversal of 3850421960 is 691240583.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3850421969) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 4678109 + ... + 4678931.

It is an arithmetic number, because the mean of its divisors is an integer number (44496000).

Almost surely, 2^3850421960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3850421960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5695488000).

3850421960 is an abundant number, since it is smaller than the sum of its proper divisors (7540554040).

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

3850421960 is a wasteful number, since it uses less digits than its factorization.

3850421960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 3850421960 is about 62051.7683873715. The cubic root of 3850421960 is about 1567.3624640325.

The spelling of 3850421960 in words is "three billion, eight hundred fifty million, four hundred twenty-one thousand, nine hundred sixty".