438335012 has 12 divisors (see below), whose sum is σ = 800438016. Its totient is φ = 209638440.

The previous prime is 438335011. The next prime is 438335033. The reversal of 438335012 is 210533834.

It is not an unprimeable number, because it can be changed into a prime (438335011) 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, 2382164 + ... + 2382347.

It is an arithmetic number, because the mean of its divisors is an integer number (66703168).

Almost surely, 2^438335012 is an apocalyptic number.

It is an amenable number.

438335012 is a deficient number, since it is larger than the sum of its proper divisors (362103004).

438335012 is a wasteful number, since it uses less digits than its factorization.

438335012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764538 (or 4764536 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 438335012 is about 20936.4517528640. The cubic root of 438335012 is about 759.6299052163.

Adding to 438335012 its reverse (210533834), we get a palindrome (648868846).

The spelling of 438335012 in words is "four hundred thirty-eight million, three hundred thirty-five thousand, twelve".