389768 has 16 divisors (see below), whose sum is σ = 740880. Its totient is φ = 192208.

The previous prime is 389761. The next prime is 389773. The reversal of 389768 is 867983.

Its product of digits (72576) is a multiple of the sum of its prime divisors (672).

It is not an unprimeable number, because it can be changed into a prime (389761) by changing a digit.

389768 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 in 3 ways as a sum of consecutive naturals, for example, 371 + ... + 957.

It is an arithmetic number, because the mean of its divisors is an integer number (46305).

2³⁸⁹⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

389768 is a deficient number, since it is larger than the sum of its proper divisors (351112).

389768 is a wasteful number, since it uses less digits than its factorization.

389768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 672 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 389768 is about 624.3140235490. The cubic root of 389768 is about 73.0469454712.

The spelling of 389768 in words is "three hundred eighty-nine thousand, seven hundred sixty-eight".