239688108 has 72 divisors (see below), whose sum is σ = 662734800. Its totient is φ = 72437760.

The previous prime is 239688079. The next prime is 239688131. The reversal of 239688108 is 801886932.

239688108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227968 + ... + 229016.

It is an arithmetic number, because the mean of its divisors is an integer number (9204650).

Almost surely, 2^239688108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239688108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331367400).

239688108 is an abundant number, since it is smaller than the sum of its proper divisors (423046692).

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

239688108 is a wasteful number, since it uses less digits than its factorization.

239688108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 239688108 is about 15481.8638412822. The cubic root of 239688108 is about 621.1771842266.

The spelling of 239688108 in words is "two hundred thirty-nine million, six hundred eighty-eight thousand, one hundred eight".