43284728 has 8 divisors (see below), whose sum is σ = 81158880. Its totient is φ = 21642360.

The previous prime is 43284727. The next prime is 43284767. The reversal of 43284728 is 82748234.

It is a happy number.

43284728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 43284691 and 43284700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43284721) 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 as a sum of consecutive naturals, namely, 2705288 + ... + 2705303.

It is an arithmetic number, because the mean of its divisors is an integer number (10144860).

Almost surely, 2^43284728 is an apocalyptic number.

It is an amenable number.

43284728 is a deficient number, since it is larger than the sum of its proper divisors (37874152).

43284728 is a wasteful number, since it uses less digits than its factorization.

43284728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410597 (or 5410593 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 43284728 is about 6579.1130101253. The cubic root of 43284728 is about 351.1113733849. Note that the first 3 decimals are identical.

The spelling of 43284728 in words is "forty-three million, two hundred eighty-four thousand, seven hundred twenty-eight".