159928 has 8 divisors (see below), whose sum is σ = 299880. Its totient is φ = 79960.

The previous prime is 159911. The next prime is 159931. The reversal of 159928 is 829951.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 159893 and 159902.

It is a congruent number.

It is an unprimeable number.

159928 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9988 + ... + 10003.

It is an arithmetic number, because the mean of its divisors is an integer number (37485).

2¹⁵⁹⁹²⁸ is an apocalyptic number.

It is an amenable number.

159928 is a deficient number, since it is larger than the sum of its proper divisors (139952).

159928 is a wasteful number, since it uses less digits than its factorization.

159928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19997 (or 19993 counting only the distinct ones).

The product of its digits is 6480, while the sum is 34.

The square root of 159928 is about 399.9099898727. The cubic root of 159928 is about 54.2802078573.

The spelling of 159928 in words is "one hundred fifty-nine thousand, nine hundred twenty-eight".