2443648 has 32 divisors (see below), whose sum is σ = 5159160. Its totient is φ = 1148928.

The previous prime is 2443643. The next prime is 2443657. The reversal of 2443648 is 8463442.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443643) 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 3 ways as a sum of consecutive naturals, for example, 1615 + ... + 2737.

2^2443648 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 2443648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579580).

2443648 is an abundant number, since it is smaller than the sum of its proper divisors (2715512).

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

2443648 is a wasteful number, since it uses less digits than its factorization.

2443648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1142 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 2443648 is about 1563.2171954018. The cubic root of 2443648 is about 134.6933689929.

The spelling of 2443648 in words is "two million, four hundred forty-three thousand, six hundred forty-eight".