433040 has 20 divisors (see below), whose sum is σ = 1007004. Its totient is φ = 173184.

The previous prime is 433033. The next prime is 433049. The reversal of 433040 is 40334.

433040 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 309136 = 352^2 + 556^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (433049) 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, 2627 + ... + 2786.

2⁴³³⁰⁴⁰ is an apocalyptic number.

433040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

433040 is an abundant number, since it is smaller than the sum of its proper divisors (573964).

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

433040 is a wasteful number, since it uses less digits than its factorization.

433040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426 (or 5420 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 433040 is about 658.0577482258. The cubic root of 433040 is about 75.6558772440.

Adding to 433040 its reverse (40334), we get a palindrome (473374).

The spelling of 433040 in words is "four hundred thirty-three thousand, forty".