3971532 has 24 divisors (see below), whose sum is σ = 9755200. Its totient is φ = 1254096.

The previous prime is 3971531. The next prime is 3971533. The reversal of 3971532 is 2351793.

It is an interprime number because it is at equal distance from previous prime (3971531) and next prime (3971533).

It is a self number, because there is not a number n which added to its sum of digits gives 3971532.

It is not an unprimeable number, because it can be changed into a prime (3971531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8482 + ... + 8937.

Almost surely, 2^3971532 is an apocalyptic number.

It is an amenable number.

3971532 is an abundant number, since it is smaller than the sum of its proper divisors (5783668).

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

3971532 is a wasteful number, since it uses less digits than its factorization.

3971532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17445 (or 17443 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 3971532 is about 1992.8702918153. The cubic root of 3971532 is about 158.3626238209.

The spelling of 3971532 in words is "three million, nine hundred seventy-one thousand, five hundred thirty-two".