3858350520 has 256 divisors, whose sum is σ = 12754944000. Its totient is φ = 930009600.

The previous prime is 3858350513. The next prime is 3858350521. The reversal of 3858350520 is 250538583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3858350521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5583375 + ... + 5584065.

It is an arithmetic number, because the mean of its divisors is an integer number (49824000).

Almost surely, 2^3858350520 is an apocalyptic number.

3858350520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3858350520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6377472000).

3858350520 is an abundant number, since it is smaller than the sum of its proper divisors (8896593480).

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

3858350520 is a wasteful number, since it uses less digits than its factorization.

3858350520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 3858350520 is about 62115.6221895909. The cubic root of 3858350520 is about 1568.4375330002.

The spelling of 3858350520 in words is "three billion, eight hundred fifty-eight million, three hundred fifty thousand, five hundred twenty".