3921852 has 72 divisors (see below), whose sum is σ = 10471888. Its totient is φ = 1140480.

The previous prime is 3921851. The next prime is 3921859. The reversal of 3921852 is 2581293.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53688 + ... + 53760.

Almost surely, 2^3921852 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 3921852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5235944).

3921852 is an abundant number, since it is smaller than the sum of its proper divisors (6550036).

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

3921852 is a wasteful number, since it uses less digits than its factorization.

3921852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 126 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 3921852 is about 1980.3666327223. The cubic root of 3921852 is about 157.6995304369.

The spelling of 3921852 in words is "three million, nine hundred twenty-one thousand, eight hundred fifty-two".