189746 has 4 divisors (see below), whose sum is σ = 284622. Its totient is φ = 94872.

The previous prime is 189743. The next prime is 189757. The reversal of 189746 is 647981.

189746 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.

It can be written as a sum of positive squares in only one way, i.e., 96721 + 93025 = 311^2 + 305^2 .

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 as a sum of consecutive naturals, namely, 47435 + ... + 47438.

2¹⁸⁹⁷⁴⁶ is an apocalyptic number.

189746 is a deficient number, since it is larger than the sum of its proper divisors (94876).

189746 is an equidigital number, since it uses as much as digits as its factorization.

189746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94875.

The product of its digits is 12096, while the sum is 35.

The square root of 189746 is about 435.5984389320. The cubic root of 189746 is about 57.4633414730.

The spelling of 189746 in words is "one hundred eighty-nine thousand, seven hundred forty-six".