239688342 has 64 divisors (see below), whose sum is σ = 554526720. Its totient is φ = 76658400.

The previous prime is 239688341. The next prime is 239688343. The reversal of 239688342 is 243886932.

239688342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (239688341) and next prime (239688343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239688341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218748 + ... + 219840.

It is an arithmetic number, because the mean of its divisors is an integer number (8664480).

Almost surely, 2^239688342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239688342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277263360).

239688342 is an abundant number, since it is smaller than the sum of its proper divisors (314838378).

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

239688342 is a wasteful number, since it uses less digits than its factorization.

239688342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1260 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 239688342 is about 15481.8713985099. The cubic root of 239688342 is about 621.1773863718.

The spelling of 239688342 in words is "two hundred thirty-nine million, six hundred eighty-eight thousand, three hundred forty-two".