3243420432 has 120 divisors (see below), whose sum is σ = 10419839040. Its totient is φ = 922579200.

The previous prime is 3243420431. The next prime is 3243420437. The reversal of 3243420432 is 2340243423.

It is a junction number, because it is equal to n+sod(n) for n = 3243420396 and 3243420405.

It is not an unprimeable number, because it can be changed into a prime (3243420431) 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, 223807 + ... + 237857.

It is an arithmetic number, because the mean of its divisors is an integer number (86831992).

Almost surely, 2^3243420432 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 3243420432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5209919520).

3243420432 is an abundant number, since it is smaller than the sum of its proper divisors (7176418608).

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

3243420432 is a wasteful number, since it uses less digits than its factorization.

3243420432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14301 (or 14292 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 3243420432 is about 56951.0353900612. The cubic root of 3243420432 is about 1480.2477720065.

Adding to 3243420432 its reverse (2340243423), we get a palindrome (5583663855).

The spelling of 3243420432 in words is "three billion, two hundred forty-three million, four hundred twenty thousand, four hundred thirty-two".