3865752 has 64 divisors (see below), whose sum is σ = 11721600. Its totient is φ = 1170720.

The previous prime is 3865747. The next prime is 3865769. The reversal of 3865752 is 2575683.

3865752 is a `hidden beast` number, since 3 + 86 + 575 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1563 + ... + 3189.

It is an arithmetic number, because the mean of its divisors is an integer number (183150).

Almost surely, 2^3865752 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 3865752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5860800).

3865752 is an abundant number, since it is smaller than the sum of its proper divisors (7855848).

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

3865752 is a wasteful number, since it uses less digits than its factorization.

3865752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1643 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 3865752 is about 1966.1515709629. The cubic root of 3865752 is about 156.9439804466.

The spelling of 3865752 in words is "three million, eight hundred sixty-five thousand, seven hundred fifty-two".