438343339 has 4 divisors (see below), whose sum is σ = 500963824. Its totient is φ = 375722856.

The previous prime is 438343309. The next prime is 438343397. The reversal of 438343339 is 933343834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933343834 = 2 ⋅466671917.

It is a cyclic number.

It is not a de Polignac number, because 438343339 - 2¹³ = 438335147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438343309) 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, 31310232 + ... + 31310245.

It is an arithmetic number, because the mean of its divisors is an integer number (125240956).

Almost surely, 2^438343339 is an apocalyptic number.

438343339 is a deficient number, since it is larger than the sum of its proper divisors (62620485).

438343339 is an equidigital number, since it uses as much as digits as its factorization.

438343339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62620484.

The product of its digits is 279936, while the sum is 40.

The square root of 438343339 is about 20936.6506156071. The cubic root of 438343339 is about 759.6347153866.

The spelling of 438343339 in words is "four hundred thirty-eight million, three hundred forty-three thousand, three hundred thirty-nine".