239828 has 6 divisors (see below), whose sum is σ = 419706. Its totient is φ = 119912.

The previous prime is 239807. The next prime is 239831. The reversal of 239828 is 828932.

It is a happy number.

239828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 183184 + 56644 = 428^2 + 238^2 .

It is a junction number, because it is equal to n+sod(n) for n = 239794 and 239803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29975 + ... + 29982.

It is an arithmetic number, because the mean of its divisors is an integer number (69951).

2²³⁹⁸²⁸ is an apocalyptic number.

It is an amenable number.

239828 is a deficient number, since it is larger than the sum of its proper divisors (179878).

239828 is a wasteful number, since it uses less digits than its factorization.

239828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59961 (or 59959 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 239828 is about 489.7223703283. The cubic root of 239828 is about 62.1298009048.

The spelling of 239828 in words is "two hundred thirty-nine thousand, eight hundred twenty-eight".