4897728 has 84 divisors (see below), whose sum is σ = 15334488. Its totient is φ = 1482240.

The previous prime is 4897709. The next prime is 4897741. The reversal of 4897728 is 8277984.

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 11 ways as a sum of consecutive naturals, for example, 5950 + ... + 6722.

Almost surely, 2^4897728 is an apocalyptic number.

4897728 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 4897728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7667244).

4897728 is an abundant number, since it is smaller than the sum of its proper divisors (10436760).

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

4897728 is a wasteful number, since it uses less digits than its factorization.

4897728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 789 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 4897728 is about 2213.0811101268. The cubic root of 4897728 is about 169.8236695310.

It can be divided in two parts, 4897 and 728, that added together give a square (5625 = 75²).

The spelling of 4897728 in words is "four million, eight hundred ninety-seven thousand, seven hundred twenty-eight".