938949888 has 144 divisors (see below), whose sum is σ = 2594866176. Its totient is φ = 301178880.

The previous prime is 938949887. The next prime is 938949901. The reversal of 938949888 is 888949839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938949887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4915873 + ... + 4916063.

It is an arithmetic number, because the mean of its divisors is an integer number (18019904).

Almost surely, 2^938949888 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 938949888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297433088).

938949888 is an abundant number, since it is smaller than the sum of its proper divisors (1655916288).

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

938949888 is a wasteful number, since it uses less digits than its factorization.

938949888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 406 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 66.

The square root of 938949888 is about 30642.2892095222. The cubic root of 938949888 is about 979.2211943808.

The spelling of 938949888 in words is "nine hundred thirty-eight million, nine hundred forty-nine thousand, eight hundred eighty-eight".