4355728 has 40 divisors (see below), whose sum is σ = 9318848. Its totient is φ = 1959552.

The previous prime is 4355707. The next prime is 4355753. The reversal of 4355728 is 8275534.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4355693 and 4355702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8701 + ... + 9187.

Almost surely, 2^4355728 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 4355728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4659424).

4355728 is an abundant number, since it is smaller than the sum of its proper divisors (4963120).

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

4355728 is a wasteful number, since it uses less digits than its factorization.

4355728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 545 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 4355728 is about 2087.0380926088. The cubic root of 4355728 is about 163.3128096754.

It can be divided in two parts, 43 and 55728, that multiplied together give a square (2396304 = 1548²).

The spelling of 4355728 in words is "four million, three hundred fifty-five thousand, seven hundred twenty-eight".