188648 has 8 divisors (see below), whose sum is σ = 353730. Its totient is φ = 94320.

The previous prime is 188633. The next prime is 188653. The reversal of 188648 is 846881.

It can be written as a sum of positive squares in only one way, i.e., 174724 + 13924 = 418^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11783 + ... + 11798.

2¹⁸⁸⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

188648 is a deficient number, since it is larger than the sum of its proper divisors (165082).

188648 is a wasteful number, since it uses less digits than its factorization.

188648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23587 (or 23583 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 188648 is about 434.3362752523. The cubic root of 188648 is about 57.3522862645.

The spelling of 188648 in words is "one hundred eighty-eight thousand, six hundred forty-eight".