188268 has 24 divisors (see below), whose sum is σ = 455280. Its totient is φ = 60480.

The previous prime is 188261. The next prime is 188273. The reversal of 188268 is 862881.

It is not an unprimeable number, because it can be changed into a prime (188261) by changing a digit.

188268 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 7 ways as a sum of consecutive naturals, for example, 78 + ... + 618.

It is an arithmetic number, because the mean of its divisors is an integer number (18970).

2¹⁸⁸²⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227640).

188268 is an abundant number, since it is smaller than the sum of its proper divisors (267012).

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

188268 is a wasteful number, since it uses less digits than its factorization.

188268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 575 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 188268 is about 433.8986056673. The cubic root of 188268 is about 57.3137515003.

The spelling of 188268 in words is "one hundred eighty-eight thousand, two hundred sixty-eight".