3887928240 has 160 divisors (see below), whose sum is σ = 14218899456. Its totient is φ = 859991040.

The previous prime is 3887928229. The next prime is 3887928259. The reversal of 3887928240 is 428297883.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14754 + ... + 89406.

Almost surely, 2^3887928240 is an apocalyptic number.

3887928240 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 3887928240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7109449728).

3887928240 is an abundant number, since it is smaller than the sum of its proper divisors (10330971216).

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

3887928240 is a wasteful number, since it uses less digits than its factorization.

3887928240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74707 (or 74701 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 3887928240 is about 62353.2536440561. The cubic root of 3887928240 is about 1572.4351623710.

The spelling of 3887928240 in words is "three billion, eight hundred eighty-seven million, nine hundred twenty-eight thousand, two hundred forty".