3309648 has 60 divisors (see below), whose sum is σ = 9070848. Its totient is φ = 1039680.

The previous prime is 3309637. The next prime is 3309659. The reversal of 3309648 is 8469033.

3309648 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3309637) and next prime (3309659).

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, 17233 + ... + 17423.

Almost surely, 2^3309648 is an apocalyptic number.

3309648 is a gapful number since it is divisible by the number (38) 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 3309648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4535424).

3309648 is an abundant number, since it is smaller than the sum of its proper divisors (5761200).

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

3309648 is a wasteful number, since it uses less digits than its factorization.

3309648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3309648 is about 1819.2437989450. The cubic root of 3309648 is about 149.0255049954.

The spelling of 3309648 in words is "three million, three hundred nine thousand, six hundred forty-eight".