938381862 has 48 divisors (see below), whose sum is σ = 2110933440. Its totient is φ = 277735920.

The previous prime is 938381839. The next prime is 938381869. The reversal of 938381862 is 268183839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938381869) 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 23 ways as a sum of consecutive naturals, for example, 16189 + ... + 46247.

It is an arithmetic number, because the mean of its divisors is an integer number (43977780).

Almost surely, 2^938381862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938381862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055466720).

938381862 is an abundant number, since it is smaller than the sum of its proper divisors (1172551578).

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

938381862 is a wasteful number, since it uses less digits than its factorization.

938381862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30129 (or 30118 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 938381862 is about 30633.0191460130. The cubic root of 938381862 is about 979.0236917214.

The spelling of 938381862 in words is "nine hundred thirty-eight million, three hundred eighty-one thousand, eight hundred sixty-two".