188764 has 12 divisors (see below), whose sum is σ = 338688. Its totient is φ = 92000.

The previous prime is 188753. The next prime is 188767. The reversal of 188764 is 467881.

It is a happy number.

188764 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188767) by changing a digit.

188764 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, 412 + ... + 739.

It is an arithmetic number, because the mean of its divisors is an integer number (28224).

2¹⁸⁸⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

188764 is a deficient number, since it is larger than the sum of its proper divisors (149924).

188764 is a wasteful number, since it uses less digits than its factorization.

188764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1194 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 188764 is about 434.4697918153. The cubic root of 188764 is about 57.3640391977.

The spelling of 188764 in words is "one hundred eighty-eight thousand, seven hundred sixty-four".