4453728 has 48 divisors (see below), whose sum is σ = 12383280. Its totient is φ = 1396736.

The previous prime is 4453717. The next prime is 4453747. The reversal of 4453728 is 8273544.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (257985).

Almost surely, 2^4453728 is an apocalyptic number.

4453728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4453728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6191640).

4453728 is an abundant number, since it is smaller than the sum of its proper divisors (7929552).

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

4453728 is a wasteful number, since it uses less digits than its factorization.

4453728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759 (or 2751 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 4453728 is about 2110.3857467297. The cubic root of 4453728 is about 164.5285347592.

The spelling of 4453728 in words is "four million, four hundred fifty-three thousand, seven hundred twenty-eight".