3243872 has 48 divisors (see below), whose sum is σ = 6940080. Its totient is φ = 1486848.

The previous prime is 3243859. The next prime is 3243881. The reversal of 3243872 is 2783423.

3243872 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36404 + ... + 36492.

It is an arithmetic number, because the mean of its divisors is an integer number (144585).

Almost surely, 2^3243872 is an apocalyptic number.

3243872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3243872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3470040).

3243872 is an abundant number, since it is smaller than the sum of its proper divisors (3696208).

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

3243872 is a wasteful number, since it uses less digits than its factorization.

3243872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 175 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 3243872 is about 1801.0752344086. The cubic root of 3243872 is about 148.0316465075.

The spelling of 3243872 in words is "three million, two hundred forty-three thousand, eight hundred seventy-two".