43128352 has 24 divisors (see below), whose sum is σ = 85146012. Its totient is φ = 21504000.

The previous prime is 43128343. The next prime is 43128353. The reversal of 43128352 is 25382134.

It can be written as a sum of positive squares in 2 ways, for example, as 34152336 + 8976016 = 5844^2 + 2996^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 43128352.

It is not an unprimeable number, because it can be changed into a prime (43128353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11152 + ... + 14512.

Almost surely, 2^43128352 is an apocalyptic number.

It is an amenable number.

43128352 is a deficient number, since it is larger than the sum of its proper divisors (42017660).

43128352 is a wasteful number, since it uses less digits than its factorization.

43128352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772 (or 3764 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 43128352 is about 6567.2179802409. The cubic root of 43128352 is about 350.6880397433.

The spelling of 43128352 in words is "forty-three million, one hundred twenty-eight thousand, three hundred fifty-two".