433128 has 16 divisors (see below), whose sum is σ = 1082880. Its totient is φ = 144368.

The previous prime is 433123. The next prime is 433141. The reversal of 433128 is 821334.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (433123) by changing a digit.

433128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 9000 + ... + 9047.

It is an arithmetic number, because the mean of its divisors is an integer number (67680).

2⁴³³¹²⁸ is an apocalyptic number.

It is an amenable number.

433128 is an abundant number, since it is smaller than the sum of its proper divisors (649752).

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

433128 is a wasteful number, since it uses less digits than its factorization.

433128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18056 (or 18052 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 433128 is about 658.1246082620. The cubic root of 433128 is about 75.6610016869.

It can be divided in two parts, 433 and 128, that added together give a triangular number (561 = T₃₃).

The spelling of 433128 in words is "four hundred thirty-three thousand, one hundred twenty-eight".