438344937 has 12 divisors (see below), whose sum is σ = 633874800. Its totient is φ = 291902328.

The previous prime is 438344923. The next prime is 438344941. The reversal of 438344937 is 739443834.

It is a de Polignac number, because none of the positive numbers 2^k-438344937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 438344892 and 438344901.

It is not an unprimeable number, because it can be changed into a prime (438344987) 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 11 ways as a sum of consecutive naturals, for example, 18687 + ... + 35012.

It is an arithmetic number, because the mean of its divisors is an integer number (52822900).

Almost surely, 2^438344937 is an apocalyptic number.

It is an amenable number.

438344937 is a deficient number, since it is larger than the sum of its proper divisors (195529863).

438344937 is a wasteful number, since it uses less digits than its factorization.

438344937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54612 (or 54609 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 438344937 is about 20936.6887783145. The cubic root of 438344937 is about 759.6356384794.

The spelling of 438344937 in words is "four hundred thirty-eight million, three hundred forty-four thousand, nine hundred thirty-seven".