43004 has 12 divisors (see below), whose sum is σ = 81144. Its totient is φ = 19824.

The previous prime is 43003. The next prime is 43013. The reversal of 43004 is 40034.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 43004.

It is not an unprimeable number, because it can be changed into a prime (43003) 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, 362 + ... + 465.

It is an arithmetic number, because the mean of its divisors is an integer number (6762).

2⁴³⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

43004 is a deficient number, since it is larger than the sum of its proper divisors (38140).

43004 is a wasteful number, since it uses less digits than its factorization.

43004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 43004 is about 207.3740581654. The cubic root of 43004 is about 35.0350668952.

Adding to 43004 its reverse (40034), we get a palindrome (83038).

The spelling of 43004 in words is "forty-three thousand, four", and thus it is an iban number.