189814 has 4 divisors (see below), whose sum is σ = 284724. Its totient is φ = 94906.

The previous prime is 189799. The next prime is 189817. The reversal of 189814 is 418981.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47452 + ... + 47455.

It is an arithmetic number, because the mean of its divisors is an integer number (71181).

2¹⁸⁹⁸¹⁴ is an apocalyptic number.

189814 is a deficient number, since it is larger than the sum of its proper divisors (94910).

189814 is an equidigital number, since it uses as much as digits as its factorization.

189814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94909.

The product of its digits is 2304, while the sum is 31.

The square root of 189814 is about 435.6764854798. The cubic root of 189814 is about 57.4702051057.

The spelling of 189814 in words is "one hundred eighty-nine thousand, eight hundred fourteen".