43268789 has 4 divisors (see below), whose sum is σ = 43356000. Its totient is φ = 43181580.

The previous prime is 43268759. The next prime is 43268809. The reversal of 43268789 is 98786234.

43268789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43268789 - 2¹⁶ = 43203253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43268759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42857 + ... + 43854.

It is an arithmetic number, because the mean of its divisors is an integer number (10839000).

Almost surely, 2^43268789 is an apocalyptic number.

It is an amenable number.

43268789 is a deficient number, since it is larger than the sum of its proper divisors (87211).

43268789 is an equidigital number, since it uses as much as digits as its factorization.

43268789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87210.

The product of its digits is 580608, while the sum is 47.

The square root of 43268789 is about 6577.9015650890. The cubic root of 43268789 is about 351.0682707980.

The spelling of 43268789 in words is "forty-three million, two hundred sixty-eight thousand, seven hundred eighty-nine".