4939728 has 20 divisors (see below), whose sum is σ = 12761088. Its totient is φ = 1646560.

The previous prime is 4939717. The next prime is 4939729. The reversal of 4939728 is 8279394.

It is a self number, because there is not a number n which added to its sum of digits gives 4939728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51408 + ... + 51503.

Almost surely, 2^4939728 is an apocalyptic number.

4939728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4939728 is an abundant number, since it is smaller than the sum of its proper divisors (7821360).

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

4939728 is a wasteful number, since it uses less digits than its factorization.

4939728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102922 (or 102916 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 4939728 is about 2222.5498869542. The cubic root of 4939728 is about 170.3077240700.

The spelling of 4939728 in words is "four million, nine hundred thirty-nine thousand, seven hundred twenty-eight".