189646 has 4 divisors (see below), whose sum is σ = 284472. Its totient is φ = 94822.

The previous prime is 189643. The next prime is 189653. The reversal of 189646 is 646981.

189646 is digitally balanced in base 3, 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 is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47410 + ... + 47413.

It is an arithmetic number, because the mean of its divisors is an integer number (71118).

2¹⁸⁹⁶⁴⁶ is an apocalyptic number.

189646 is a deficient number, since it is larger than the sum of its proper divisors (94826).

189646 is an equidigital number, since it uses as much as digits as its factorization.

189646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94825.

The product of its digits is 10368, while the sum is 34.

The square root of 189646 is about 435.4836391875. The cubic root of 189646 is about 57.4532449160.

The spelling of 189646 in words is "one hundred eighty-nine thousand, six hundred forty-six".