4043264 has 40 divisors (see below), whose sum is σ = 8286300. Its totient is φ = 1970176.

The previous prime is 4043243. The next prime is 4043287. The reversal of 4043264 is 4623404.

It is a happy number.

4043264 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 43264 = 2000^2 + 208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27062 + ... + 27210.

Almost surely, 2^4043264 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 4043264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4143150).

4043264 is an abundant number, since it is smaller than the sum of its proper divisors (4243036).

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

4043264 is an equidigital number, since it uses as much as digits as its factorization.

4043264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4043264 is about 2010.7869106397. The cubic root of 4043264 is about 159.3103651274.

Adding to 4043264 its reverse (4623404), we get a palindrome (8666668).

The spelling of 4043264 in words is "four million, forty-three thousand, two hundred sixty-four".