239628 has 24 divisors (see below), whose sum is σ = 589120. Its totient is φ = 75600.

The previous prime is 239623. The next prime is 239633. The reversal of 239628 is 826932.

It is an interprime number because it is at equal distance from previous prime (239623) and next prime (239633).

It is a junction number, because it is equal to n+sod(n) for n = 239595 and 239604.

It is not an unprimeable number, because it can be changed into a prime (239623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 753.

2²³⁹⁶²⁸ is an apocalyptic number.

It is an amenable number.

239628 is an abundant number, since it is smaller than the sum of its proper divisors (349492).

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

239628 is a wasteful number, since it uses less digits than its factorization.

239628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1075 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 239628 is about 489.5181304099. The cubic root of 239628 is about 62.1125254464.

The spelling of 239628 in words is "two hundred thirty-nine thousand, six hundred twenty-eight".