43128304 has 20 divisors (see below), whose sum is σ = 83666520. Its totient is φ = 21536960.

The previous prime is 43128301. The next prime is 43128329. The reversal of 43128304 is 40382134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43128301) 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, 19074 + ... + 21214.

It is an arithmetic number, because the mean of its divisors is an integer number (4183326).

Almost surely, 2^43128304 is an apocalyptic number.

It is an amenable number.

43128304 is a deficient number, since it is larger than the sum of its proper divisors (40538216).

43128304 is a wasteful number, since it uses less digits than its factorization.

43128304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408 (or 3402 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 43128304 is about 6567.2143257244. The cubic root of 43128304 is about 350.6879096430.

The spelling of 43128304 in words is "forty-three million, one hundred twenty-eight thousand, three hundred four".