189694 has 4 divisors (see below), whose sum is σ = 284544.
Its totient is φ = 94846.
The previous prime is 189691. The next prime is 189697. The reversal of 189694 is 496981.
189694 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, and also an emirpimes, since its reverse is a distinct semiprime: 496981 = 53 ⋅9377.
It is an interprime number because it is at equal distance from previous prime (189691) and next prime (189697).
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 (189691) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47422 + ... + 47425.
It is an arithmetic number, because the mean of its divisors is an integer number (71136).
2189694 is an apocalyptic number.
189694 is a deficient number, since it is larger than the sum of its proper divisors (94850).
189694 is an equidigital number, since it uses as much as digits as its factorization.
189694 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94849.
The product of its digits is 15552, while the sum is 37.
The square root of 189694 is about 435.5387468412.
The cubic root of 189694 is about 57.4580917062.
The spelling of 189694 in words is "one hundred eighty-nine thousand, six hundred ninety-four".