189768 has 16 divisors (see below), whose sum is σ = 474480. Its totient is φ = 63248.

The previous prime is 189767. The next prime is 189797. The reversal of 189768 is 867981.

189768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3930 + ... + 3977.

It is an arithmetic number, because the mean of its divisors is an integer number (29655).

2¹⁸⁹⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

189768 is an abundant number, since it is smaller than the sum of its proper divisors (284712).

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

189768 is a wasteful number, since it uses less digits than its factorization.

189768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916 (or 7912 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 189768 is about 435.6236908158. The cubic root of 189768 is about 57.4655622395.

The spelling of 189768 in words is "one hundred eighty-nine thousand, seven hundred sixty-eight".