3871499520 has 288 divisors, whose sum is σ = 14331808512. Its totient is φ = 872349696.

The previous prime is 3871499509. The next prime is 3871499591. The reversal of 3871499520 is 259941783.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3871499520.

It is a congruent number.

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, 1961254 + ... + 1963226.

It is an arithmetic number, because the mean of its divisors is an integer number (49763224).

Almost surely, 2^3871499520 is an apocalyptic number.

3871499520 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 3871499520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7165904256).

3871499520 is an abundant number, since it is smaller than the sum of its proper divisors (10460308992).

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

3871499520 is a wasteful number, since it uses less digits than its factorization.

3871499520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 3871499520 is about 62221.3751053446. The cubic root of 3871499520 is about 1570.2172228413.

The spelling of 3871499520 in words is "three billion, eight hundred seventy-one million, four hundred ninety-nine thousand, five hundred twenty".