3217984 has 56 divisors (see below), whose sum is σ = 7973568. Its totient is φ = 1251840.

The previous prime is 3217979. The next prime is 3217997. The reversal of 3217984 is 4897123.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

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, 4602 + ... + 5254.

Almost surely, 2^3217984 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 3217984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3986784).

3217984 is an abundant number, since it is smaller than the sum of its proper divisors (4755584).

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

3217984 is a wasteful number, since it uses less digits than its factorization.

3217984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 673 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 3217984 is about 1793.8740201029. The cubic root of 3217984 is about 147.6368011682.

The spelling of 3217984 in words is "three million, two hundred seventeen thousand, nine hundred eighty-four".