938249856 has 192 divisors, whose sum is σ = 2984454720. Its totient is φ = 281419776.

The previous prime is 938249827. The next prime is 938249857. The reversal of 938249856 is 658942839.

938249856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (938249857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449391 + ... + 451473.

It is an arithmetic number, because the mean of its divisors is an integer number (15544035).

Almost surely, 2^938249856 is an apocalyptic number.

938249856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938249856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492227360).

938249856 is an abundant number, since it is smaller than the sum of its proper divisors (2046204864).

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

938249856 is a wasteful number, since it uses less digits than its factorization.

938249856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143 (or 2128 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 938249856 is about 30630.8644344230. The cubic root of 938249856 is about 978.9777818180.

The spelling of 938249856 in words is "nine hundred thirty-eight million, two hundred forty-nine thousand, eight hundred fifty-six".