3971252 has 12 divisors (see below), whose sum is σ = 6981156. Its totient is φ = 1976640.

The previous prime is 3971239. The next prime is 3971257. The reversal of 3971252 is 2521793.

3971252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 1430416 = 1594^2 + 1196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971257) 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 3 ways as a sum of consecutive naturals, for example, 1199 + ... + 3062.

It is an arithmetic number, because the mean of its divisors is an integer number (581763).

Almost surely, 2^3971252 is an apocalyptic number.

It is an amenable number.

3971252 is a deficient number, since it is larger than the sum of its proper divisors (3009904).

3971252 is a wasteful number, since it uses less digits than its factorization.

3971252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498 (or 4496 counting only the distinct ones).

The product of its digits is 3780, while the sum is 29.

The square root of 3971252 is about 1992.8000401445. The cubic root of 3971252 is about 158.3589021188.

The spelling of 3971252 in words is "three million, nine hundred seventy-one thousand, two hundred fifty-two".