938380439 has 4 divisors (see below), whose sum is σ = 939155256. Its totient is φ = 937605624.

The previous prime is 938380403. The next prime is 938380483. The reversal of 938380439 is 934083839.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934083839 = 13 ⋅71852603.

It is a cyclic number.

It is not a de Polignac number, because 938380439 - 2¹² = 938376343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 938380393 and 938380402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938380139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 385589 + ... + 388014.

It is an arithmetic number, because the mean of its divisors is an integer number (234788814).

Almost surely, 2^938380439 is an apocalyptic number.

938380439 is a deficient number, since it is larger than the sum of its proper divisors (774817).

938380439 is a wasteful number, since it uses less digits than its factorization.

938380439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774816.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 938380439 is about 30632.9959194330. The cubic root of 938380439 is about 979.0231968442.

The spelling of 938380439 in words is "nine hundred thirty-eight million, three hundred eighty thousand, four hundred thirty-nine".