3856281320 has 16 divisors (see below), whose sum is σ = 8676633060. Its totient is φ = 1542512512.

The previous prime is 3856281313. The next prime is 3856281329. The reversal of 3856281320 is 231826583.

It can be written as a sum of positive squares in 2 ways, for example, as 3856161604 + 119716 = 62098^2 + 346^2 .

It is not an unprimeable number, because it can be changed into a prime (3856281329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48203477 + ... + 48203556.

Almost surely, 2^3856281320 is an apocalyptic number.

It is an amenable number.

3856281320 is an abundant number, since it is smaller than the sum of its proper divisors (4820351740).

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

3856281320 is a wasteful number, since it uses less digits than its factorization.

3856281320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96407044 (or 96407040 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 3856281320 is about 62098.9639205035. The cubic root of 3856281320 is about 1568.1571030374.

The spelling of 3856281320 in words is "three billion, eight hundred fifty-six million, two hundred eighty-one thousand, three hundred twenty".