3243403220 has 12 divisors (see below), whose sum is σ = 6811146804. Its totient is φ = 1297361280.

The previous prime is 3243403217. The next prime is 3243403253. The reversal of 3243403220 is 223043423.

It can be written as a sum of positive squares in 2 ways, for example, as 1968341956 + 1275061264 = 44366^2 + 35708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81085061 + ... + 81085100.

It is an arithmetic number, because the mean of its divisors is an integer number (567595567).

Almost surely, 2^3243403220 is an apocalyptic number.

It is an amenable number.

3243403220 is an abundant number, since it is smaller than the sum of its proper divisors (3567743584).

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

3243403220 is a wasteful number, since it uses less digits than its factorization.

3243403220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162170170 (or 162170168 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 3243403220 is about 56950.8842775948. The cubic root of 3243403220 is about 1480.2451535701.

Adding to 3243403220 its reverse (223043423), we get a palindrome (3466446643).

The spelling of 3243403220 in words is "three billion, two hundred forty-three million, four hundred three thousand, two hundred twenty".