239371938 has 48 divisors (see below), whose sum is σ = 561932280. Its totient is φ = 73640736.

The previous prime is 239371901. The next prime is 239371939. The reversal of 239371938 is 839173932.

It can be written as a sum of positive squares in 4 ways, for example, as 762129 + 238609809 = 873^2 + 15447^2 .

It is a junction number, because it is equal to n+sod(n) for n = 239371893 and 239371902.

It is not an unprimeable number, because it can be changed into a prime (239371939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36520 + ... + 42572.

Almost surely, 2^239371938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239371938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280966140).

239371938 is an abundant number, since it is smaller than the sum of its proper divisors (322560342).

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

239371938 is a wasteful number, since it uses less digits than its factorization.

239371938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100 (or 6071 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 239371938 is about 15471.6494918932. The cubic root of 239371938 is about 620.9039346682.

The spelling of 239371938 in words is "two hundred thirty-nine million, three hundred seventy-one thousand, nine hundred thirty-eight".