3209648 has 30 divisors (see below), whose sum is σ = 6739524. Its totient is φ = 1480128.

The previous prime is 3209641. The next prime is 3209653. The reversal of 3209648 is 8469023.

3209648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3209641) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2111 + ... + 3297.

Almost surely, 2^3209648 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 3209648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3369762).

3209648 is an abundant number, since it is smaller than the sum of its proper divisors (3529876).

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

3209648 is a wasteful number, since it uses less digits than its factorization.

3209648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3209648 is about 1791.5490504030. The cubic root of 3209648 is about 147.5092094221.

The spelling of 3209648 in words is "three million, two hundred nine thousand, six hundred forty-eight".