3858541272 has 320 divisors, whose sum is σ = 12140694720. Its totient is φ = 1138655232.

The previous prime is 3858541259. The next prime is 3858541273. The reversal of 3858541272 is 2721458583.

3858541272 is a `hidden beast` number, since 3 + 8 + 585 + 41 + 27 + 2 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3858541273) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 24576618 + ... + 24576774.

It is an arithmetic number, because the mean of its divisors is an integer number (37939671).

Almost surely, 2^3858541272 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 3858541272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6070347360).

3858541272 is an abundant number, since it is smaller than the sum of its proper divisors (8282153448).

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

3858541272 is a wasteful number, since it uses less digits than its factorization.

3858541272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 299 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 3858541272 is about 62117.1576297564. The cubic root of 3858541272 is about 1568.4633797677.

The spelling of 3858541272 in words is "three billion, eight hundred fifty-eight million, five hundred forty-one thousand, two hundred seventy-two".