4521328 has 60 divisors (see below), whose sum is σ = 10460640. Its totient is φ = 1886976.

The previous prime is 4521313. The next prime is 4521331. The reversal of 4521328 is 8231254.

4521328 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57193 + ... + 57271.

It is an arithmetic number, because the mean of its divisors is an integer number (174344).

Almost surely, 2^4521328 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 4521328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5230320).

4521328 is an abundant number, since it is smaller than the sum of its proper divisors (5939312).

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

4521328 is a wasteful number, since it uses less digits than its factorization.

4521328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 161 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 4521328 is about 2126.3414589383. The cubic root of 4521328 is about 165.3567792510.

The spelling of 4521328 in words is "four million, five hundred twenty-one thousand, three hundred twenty-eight".