4452728 has 48 divisors (see below), whose sum is σ = 10006920. Its totient is φ = 1850688.

The previous prime is 4452727. The next prime is 4452737. The reversal of 4452728 is 8272544.

It is a junction number, because it is equal to n+sod(n) for n = 4452694 and 4452703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14351 + ... + 14657.

Almost surely, 2^4452728 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 4452728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5003460).

4452728 is an abundant number, since it is smaller than the sum of its proper divisors (5554192).

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

4452728 is a wasteful number, since it uses less digits than its factorization.

4452728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 353 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 4452728 is about 2110.1488099184. The cubic root of 4452728 is about 164.5162199187.

The spelling of 4452728 in words is "four million, four hundred fifty-two thousand, seven hundred twenty-eight".