4218448 has 40 divisors (see below), whose sum is σ = 9327528. Its totient is φ = 1830912.

The previous prime is 4218439. The next prime is 4218463. The reversal of 4218448 is 8448124.

It can be written as a sum of positive squares in 4 ways, for example, as 501264 + 3717184 = 708^2 + 1928^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2940 + ... + 4132.

Almost surely, 2^4218448 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 4218448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4663764).

4218448 is an abundant number, since it is smaller than the sum of its proper divisors (5109080).

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

4218448 is a wasteful number, since it uses less digits than its factorization.

4218448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1225 counting only the distinct ones).

The product of its digits is 8192, while the sum is 31.

The square root of 4218448 is about 2053.8860727898. The cubic root of 4218448 is about 161.5787460202.

The spelling of 4218448 in words is "four million, two hundred eighteen thousand, four hundred forty-eight".