3861252 has 36 divisors (see below), whose sum is σ = 9820720. Its totient is φ = 1279152.

The previous prime is 3861251. The next prime is 3861259. The reversal of 3861252 is 2521683.

3861252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (3861251) 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, 9999 + ... + 10377.

Almost surely, 2^3861252 is an apocalyptic number.

It is an amenable number.

3861252 is an abundant number, since it is smaller than the sum of its proper divisors (5959468).

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

3861252 is a wasteful number, since it uses less digits than its factorization.

3861252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 667 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3861252 is about 1965.0068702170. The cubic root of 3861252 is about 156.8830589554.

Subtracting from 3861252 its sum of digits (27), we obtain a square (3861225 = 1965²).

The spelling of 3861252 in words is "three million, eight hundred sixty-one thousand, two hundred fifty-two".