3243421300 has 72 divisors (see below), whose sum is σ = 8090482176. Its totient is φ = 1105560960.

The previous prime is 3243421267. The next prime is 3243421303. The reversal of 3243421300 is 31243423.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243421303) 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, 107709 + ... + 134491.

It is an arithmetic number, because the mean of its divisors is an integer number (112367808).

Almost surely, 2^3243421300 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 3243421300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4045241088).

3243421300 is an abundant number, since it is smaller than the sum of its proper divisors (4847060876).

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

3243421300 is a wasteful number, since it uses less digits than its factorization.

3243421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26977 (or 26970 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3243421300 is about 56951.0430106420. The cubic root of 3243421300 is about 1480.2479040538.

Adding to 3243421300 its reverse (31243423), we get a palindrome (3274664723).

The spelling of 3243421300 in words is "three billion, two hundred forty-three million, four hundred twenty-one thousand, three hundred".