1238663382 has 64 divisors (see below), whose sum is σ = 2786047488. Its totient is φ = 363872000.

The previous prime is 1238663381. The next prime is 1238663411. The reversal of 1238663382 is 2833668321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238663381) 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 31 ways as a sum of consecutive naturals, for example, 450532 + ... + 453272.

It is an arithmetic number, because the mean of its divisors is an integer number (43531992).

Almost surely, 2^1238663382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238663382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393023744).

1238663382 is an abundant number, since it is smaller than the sum of its proper divisors (1547384106).

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

1238663382 is a wasteful number, since it uses less digits than its factorization.

1238663382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its digits is 248832, while the sum is 42.

The square root of 1238663382 is about 35194.6499059161. The cubic root of 1238663382 is about 1073.9509165449.

The spelling of 1238663382 in words is "one billion, two hundred thirty-eight million, six hundred sixty-three thousand, three hundred eighty-two".