3243456 has 56 divisors (see below), whose sum is σ = 9540240. Its totient is φ = 1080576.

The previous prime is 3243397. The next prime is 3243467. The reversal of 3243456 is 6543423.

3243456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790 + ... + 2666.

Almost surely, 2^3243456 is an apocalyptic number.

3243456 is a gapful number since it is divisible by the number (36) 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 3243456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4770120).

3243456 is an abundant number, since it is smaller than the sum of its proper divisors (6296784).

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

3243456 is a wasteful number, since it uses less digits than its factorization.

3243456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1882 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 3243456 is about 1800.9597441364. The cubic root of 3243456 is about 148.0253182885.

Adding to 3243456 its reverse (6543423), we get a palindrome (9786879).

The spelling of 3243456 in words is "three million, two hundred forty-three thousand, four hundred fifty-six".