938223744 has 128 divisors (see below), whose sum is σ = 2666753280. Its totient is φ = 291225600.

The previous prime is 938223739. The next prime is 938223757. The reversal of 938223744 is 447322839.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 938223696 and 938223705.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 658617 + ... + 660039.

It is an arithmetic number, because the mean of its divisors is an integer number (20834010).

Almost surely, 2^938223744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938223744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333376640).

938223744 is an abundant number, since it is smaller than the sum of its proper divisors (1728529536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

938223744 is a wasteful number, since it uses less digits than its factorization.

938223744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558 (or 1546 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 938223744 is about 30630.4381947108. The cubic root of 938223744 is about 978.9686999070.

The spelling of 938223744 in words is "nine hundred thirty-eight million, two hundred twenty-three thousand, seven hundred forty-four".