1443648 has 56 divisors (see below), whose sum is σ = 3909568. Its totient is φ = 470016.

The previous prime is 1443647. The next prime is 1443653. The reversal of 1443648 is 8463441.

1443648 is nontrivially palindromic in base 11.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443647) 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 7 ways as a sum of consecutive naturals, for example, 13965 + ... + 14067.

2^1443648 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 1443648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1954784).

1443648 is an abundant number, since it is smaller than the sum of its proper divisors (2465920).

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

1443648 is a wasteful number, since it uses less digits than its factorization.

1443648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 181 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 1443648 is about 1201.5190385508. The cubic root of 1443648 is about 113.0196013717.

The spelling of 1443648 in words is "one million, four hundred forty-three thousand, six hundred forty-eight".