189748 has 24 divisors (see below), whose sum is σ = 370440. Its totient is φ = 84480.

The previous prime is 189743. The next prime is 189757. The reversal of 189748 is 847981.

189748 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 can be written as a sum of positive squares in 4 ways, for example, as 11664 + 178084 = 108^2 + 422^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (15435).

2¹⁸⁹⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

189748 is a deficient number, since it is larger than the sum of its proper divisors (180692).

189748 is a wasteful number, since it uses less digits than its factorization.

189748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 145 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 189748 is about 435.6007346183. The cubic root of 189748 is about 57.4635433680.

The spelling of 189748 in words is "one hundred eighty-nine thousand, seven hundred forty-eight".