3243243 has 16 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 1927296.

The previous prime is 3243239. The next prime is 3243271. The reversal of 3243243 is 3423423.

It is not a de Polignac number, because 3243243 - 2² = 3243239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3243293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705 + ... + 2642.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

Almost surely, 2^3243243 is an apocalyptic number.

3243243 is a deficient number, since it is larger than the sum of its proper divisors (1577877).

3243243 is a wasteful number, since it uses less digits than its factorization.

3243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386.

The product of its digits is 1728, while the sum is 21.

The square root of 3243243 is about 1800.9006080292. The cubic root of 3243243 is about 148.0220779092.

Adding to 3243243 its reverse (3423423), we get a palindrome (6666666).

It can be divided in two parts, 3243 and 243, that added together give a triangular number (3486 = T₈₃).

The spelling of 3243243 in words is "three million, two hundred forty-three thousand, two hundred forty-three".