4043648 has 32 divisors (see below), whose sum is σ = 9208560. Its totient is φ = 1732608.

The previous prime is 4043623. The next prime is 4043657. The reversal of 4043648 is 8463404.

4043648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4043648.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1361 + ... + 3152.

Almost surely, 2^4043648 is an apocalyptic number.

It is an amenable number.

4043648 is an abundant number, since it is smaller than the sum of its proper divisors (5164912).

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

4043648 is an equidigital number, since it uses as much as digits as its factorization.

4043648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4043648 is about 2010.8823933786. The cubic root of 4043648 is about 159.3154083502.

The spelling of 4043648 in words is "four million, forty-three thousand, six hundred forty-eight".