188804 has 24 divisors (see below), whose sum is σ = 412608. Its totient is φ = 73440.

The previous prime is 188801. The next prime is 188827. The reversal of 188804 is 408881.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 188804.

It is not an unprimeable number, because it can be changed into a prime (188801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 614.

It is an arithmetic number, because the mean of its divisors is an integer number (17192).

2¹⁸⁸⁸⁰⁴ is an apocalyptic number.

188804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206304).

188804 is an abundant number, since it is smaller than the sum of its proper divisors (223804).

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

188804 is a wasteful number, since it uses less digits than its factorization.

188804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 188804 is about 434.5158224967. The cubic root of 188804 is about 57.3680908168.

The spelling of 188804 in words is "one hundred eighty-eight thousand, eight hundred four".