938720338 has 16 divisors (see below), whose sum is σ = 1466078040. Its totient is φ = 450403200.

The previous prime is 938720329. The next prime is 938720369. The reversal of 938720338 is 833027839.

It can be written as a sum of positive squares in 4 ways, for example, as 102758769 + 835961569 = 10137^2 + 28913^2 .

It is a junction number, because it is equal to n+sod(n) for n = 938720294 and 938720303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88833 + ... + 98836.

Almost surely, 2^938720338 is an apocalyptic number.

938720338 is a deficient number, since it is larger than the sum of its proper divisors (527357702).

938720338 is a wasteful number, since it uses less digits than its factorization.

938720338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187773.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 938720338 is about 30638.5433400480. The cubic root of 938720338 is about 979.1413894313.

The spelling of 938720338 in words is "nine hundred thirty-eight million, seven hundred twenty thousand, three hundred thirty-eight".