8838728 has 16 divisors (see below), whose sum is σ = 16606080. Its totient is φ = 4410448.

The previous prime is 8838727. The next prime is 8838733. The reversal of 8838728 is 8278388.

It is a Cunningham number, because it is equal to 2973²-1.

It is a super-2 number, since 2×8838728² = 156246225315968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8838727) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5201 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (1037880).

Almost surely, 2^8838728 is an apocalyptic number.

It is an amenable number.

8838728 is a deficient number, since it is larger than the sum of its proper divisors (7767352).

8838728 is a wasteful number, since it uses less digits than its factorization.

8838728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2232 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 8838728 is about 2972.9998318197. Note that the first 3 decimals coincide. The cubic root of 8838728 is about 206.7584446106.

The spelling of 8838728 in words is "eight million, eight hundred thirty-eight thousand, seven hundred twenty-eight".