4303728 has 180 divisors, whose sum is σ = 15007720. Its totient is φ = 1140480.

The previous prime is 4303727. The next prime is 4303753. The reversal of 4303728 is 8273034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4303723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 226503 + ... + 226521.

Almost surely, 2^4303728 is an apocalyptic number.

4303728 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 4303728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7503860).

4303728 is an abundant number, since it is smaller than the sum of its proper divisors (10703992).

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

4303728 is a wasteful number, since it uses less digits than its factorization.

4303728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 4303728 is about 2074.5428412062. The cubic root of 4303728 is about 162.6603135863.

The spelling of 4303728 in words is "four million, three hundred three thousand, seven hundred twenty-eight".