239239128 has 16 divisors (see below), whose sum is σ = 598097880. Its totient is φ = 79746368.

The previous prime is 239239109. The next prime is 239239129. The reversal of 239239128 is 821932932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239239129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4984125 + ... + 4984172.

Almost surely, 2^239239128 is an apocalyptic number.

It is an amenable number.

239239128 is an abundant number, since it is smaller than the sum of its proper divisors (358858752).

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

239239128 is a wasteful number, since it uses less digits than its factorization.

239239128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9968306 (or 9968302 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 239239128 is about 15467.3568524166. The cubic root of 239239128 is about 620.7890820143.

The spelling of 239239128 in words is "two hundred thirty-nine million, two hundred thirty-nine thousand, one hundred twenty-eight".