3243744 has 72 divisors (see below), whose sum is σ = 10548720. Its totient is φ = 926208.

The previous prime is 3243739. The next prime is 3243763. The reversal of 3243744 is 4473423.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1212 + ... + 2820.

It is an arithmetic number, because the mean of its divisors is an integer number (146510).

Almost surely, 2^3243744 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 3243744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5274360).

3243744 is an abundant number, since it is smaller than the sum of its proper divisors (7304976).

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

3243744 is a wasteful number, since it uses less digits than its factorization.

3243744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1621 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 3243744 is about 1801.0396997290. The cubic root of 3243744 is about 148.0296994208.

The spelling of 3243744 in words is "three million, two hundred forty-three thousand, seven hundred forty-four".