382231638 has 48 divisors (see below), whose sum is σ = 881431200. Its totient is φ = 119294208.

The previous prime is 382231627. The next prime is 382231639. The reversal of 382231638 is 836132283.

It is a super-3 number, since 3×382231638³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382231639) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 57756 + ... + 64032.

It is an arithmetic number, because the mean of its divisors is an integer number (18363150).

Almost surely, 2^382231638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382231638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440715600).

382231638 is an abundant number, since it is smaller than the sum of its proper divisors (499199562).

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

382231638 is a wasteful number, since it uses less digits than its factorization.

382231638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6501 (or 6498 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 382231638 is about 19550.7452031885. The cubic root of 382231638 is about 725.7307814946.

The spelling of 382231638 in words is "three hundred eighty-two million, two hundred thirty-one thousand, six hundred thirty-eight".