189703 has 4 divisors (see below), whose sum is σ = 200880. Its totient is φ = 178528.

The previous prime is 189701. The next prime is 189713. The reversal of 189703 is 307981.

189703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307981 = 131 ⋅2351.

It is a cyclic number.

It is not a de Polignac number, because 189703 - 2¹ = 189701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5563 + ... + 5596.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2¹⁸⁹⁷⁰³ is an apocalyptic number.

189703 is a deficient number, since it is larger than the sum of its proper divisors (11177).

189703 is a wasteful number, since it uses less digits than its factorization.

189703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11176.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 189703 is about 435.5490787500. The cubic root of 189703 is about 57.4590003883.

Subtracting from 189703 its product of nonzero digits (1512), we obtain a triangular number (188191 = T₆₁₃).

The spelling of 189703 in words is "one hundred eighty-nine thousand, seven hundred three".