4243648 has 28 divisors (see below), whose sum is σ = 8566912. Its totient is φ = 2085120.

The previous prime is 4243639. The next prime is 4243649. The reversal of 4243648 is 8463424.

It is not an unprimeable number, because it can be changed into a prime (4243649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361 + ... + 4447.

Almost surely, 2^4243648 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 4243648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4283456).

4243648 is an abundant number, since it is smaller than the sum of its proper divisors (4323264).

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

4243648 is a wasteful number, since it uses less digits than its factorization.

4243648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1150 counting only the distinct ones).

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

The square root of 4243648 is about 2060.0116504525. The cubic root of 4243648 is about 161.8998517322.

The spelling of 4243648 in words is "four million, two hundred forty-three thousand, six hundred forty-eight".