3871532 has 36 divisors (see below), whose sum is σ = 8036784. Its totient is φ = 1598400.

The previous prime is 3871523. The next prime is 3871537. The reversal of 3871532 is 2351783.

3871532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3871495 and 3871504.

It is not an unprimeable number, because it can be changed into a prime (3871537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38282 + ... + 38382.

It is an arithmetic number, because the mean of its divisors is an integer number (223244).

Almost surely, 2^3871532 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 3871532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4018392).

3871532 is an abundant number, since it is smaller than the sum of its proper divisors (4165252).

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

3871532 is a wasteful number, since it uses less digits than its factorization.

3871532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 147 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 3871532 is about 1967.6208984456. The cubic root of 3871532 is about 157.0221613949.

The spelling of 3871532 in words is "three million, eight hundred seventy-one thousand, five hundred thirty-two".