438322043 has 4 divisors (see below), whose sum is σ = 438553800. Its totient is φ = 438090288.

The previous prime is 438322019. The next prime is 438322081. The reversal of 438322043 is 340223834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 438322043 - 2¹⁰ = 438321019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438321997 and 438322015.

It is not an unprimeable number, because it can be changed into a prime (438321043) 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, 113018 + ... + 116831.

It is an arithmetic number, because the mean of its divisors is an integer number (109638450).

Almost surely, 2^438322043 is an apocalyptic number.

438322043 is a deficient number, since it is larger than the sum of its proper divisors (231757).

438322043 is a wasteful number, since it uses less digits than its factorization.

438322043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231756.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 438322043 is about 20936.1420276038. The cubic root of 438322043 is about 759.6224134294.

Adding to 438322043 its reverse (340223834), we get a palindrome (778545877).

The spelling of 438322043 in words is "four hundred thirty-eight million, three hundred twenty-two thousand, forty-three".