189834 has 16 divisors (see below), whose sum is σ = 393120. Its totient is φ = 61040.

The previous prime is 189823. The next prime is 189851. The reversal of 189834 is 438981.

189834 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 is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 189795 and 189804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 719.

It is an arithmetic number, because the mean of its divisors is an integer number (24570).

2¹⁸⁹⁸³⁴ is an apocalyptic number.

189834 is an abundant number, since it is smaller than the sum of its proper divisors (203286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189834 is a wasteful number, since it uses less digits than its factorization.

189834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125.

The product of its digits is 6912, while the sum is 33.

The square root of 189834 is about 435.6994376861. The cubic root of 189834 is about 57.4722235092.

The spelling of 189834 in words is "one hundred eighty-nine thousand, eight hundred thirty-four".