2321984 has 56 divisors (see below), whose sum is σ = 5413248. Its totient is φ = 967680.

The previous prime is 2321981. The next prime is 2321989. The reversal of 2321984 is 4891232.

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

It is not an unprimeable number, because it can be changed into a prime (2321981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31772 + ... + 31844.

2^2321984 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 2321984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706624).

2321984 is an abundant number, since it is smaller than the sum of its proper divisors (3091264).

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

2321984 is an equidigital number, since it uses as much as digits as its factorization.

2321984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 153 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 2321984 is about 1523.8057619001. The cubic root of 2321984 is about 132.4198447206.

The spelling of 2321984 in words is "two million, three hundred twenty-one thousand, nine hundred eighty-four".