3243828 has 72 divisors (see below), whose sum is σ = 9166528. Its totient is φ = 874368.

The previous prime is 3243811. The next prime is 3243833. The reversal of 3243828 is 8283423.

3243828 = 7² + 8² + ... + 213².

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁷ + 2²⁰ + 4¹⁰ + 3¹⁰ + 8⁴ + 2²⁰ + 8⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 3243795 and 3243804.

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 23 ways as a sum of consecutive naturals, for example, 44400 + ... + 44472.

Almost surely, 2^3243828 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 3243828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4583264).

3243828 is an abundant number, since it is smaller than the sum of its proper divisors (5922700).

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

3243828 is a wasteful number, since it uses less digits than its factorization.

3243828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 108 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 3243828 is about 1801.0630194416. The cubic root of 3243828 is about 148.0309772022.

The spelling of 3243828 in words is "three million, two hundred forty-three thousand, eight hundred twenty-eight".