3309744 has 40 divisors (see below), whose sum is σ = 8718192. Its totient is φ = 1081600.

The previous prime is 3309739. The next prime is 3309749. The reversal of 3309744 is 4479033.

It is an interprime number because it is at equal distance from previous prime (3309739) and next prime (3309749).

It is not an unprimeable number, because it can be changed into a prime (3309749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894 + ... + 3194.

Almost surely, 2^3309744 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 3309744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4359096).

3309744 is an abundant number, since it is smaller than the sum of its proper divisors (5408448).

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

3309744 is a wasteful number, since it uses less digits than its factorization.

3309744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 3309744 is about 1819.2701833428. The cubic root of 3309744 is about 149.0269458646.

The spelling of 3309744 in words is "three million, three hundred nine thousand, seven hundred forty-four".