4045824 has 66 divisors (see below), whose sum is σ = 11708840. Its totient is φ = 1345536.

The previous prime is 4045817. The next prime is 4045829. The reversal of 4045824 is 4285404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8997 + ... + 9435.

Almost surely, 2^4045824 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 4045824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5854420).

4045824 is an abundant number, since it is smaller than the sum of its proper divisors (7663016).

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

4045824 is a wasteful number, since it uses less digits than its factorization.

4045824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4045824 is about 2011.4233766167. The cubic root of 4045824 is about 159.3439805836.

The spelling of 4045824 in words is "four million, forty-five thousand, eight hundred twenty-four".