3243303420 has 144 divisors (see below), whose sum is σ = 10954073088. Its totient is φ = 702276480.

The previous prime is 3243303409. The next prime is 3243303431. The reversal of 3243303420 is 243033423.

It is an interprime number because it is at equal distance from previous prime (3243303409) and next prime (3243303431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140925 + ... + 162315.

It is an arithmetic number, because the mean of its divisors is an integer number (76069952).

Almost surely, 2^3243303420 is an apocalyptic number.

3243303420 is a gapful number since it is divisible by the number (30) 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 3243303420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5477036544).

3243303420 is an abundant number, since it is smaller than the sum of its proper divisors (7710769668).

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

3243303420 is a wasteful number, since it uses less digits than its factorization.

3243303420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21448 (or 21427 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 3243303420 is about 56950.0080772602. The cubic root of 3243303420 is about 1480.2299709598.

Adding to 3243303420 its reverse (243033423), we get a palindrome (3486336843).

The spelling of 3243303420 in words is "three billion, two hundred forty-three million, three hundred three thousand, four hundred twenty".