189069 has 16 divisors (see below), whose sum is σ = 276480. Its totient is φ = 114480.
The previous prime is 189067. The next prime is 189127. The reversal of 189069 is 960981.
It is a happy number.
189069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 189069 - 21 = 189067 is a prime.
It is a super-2 number, since 2×1890692 = 71494173522, which contains 22 as substring.
189069 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714 + ... + 1820.
It is an arithmetic number, because the mean of its divisors is an integer number (17280).
2189069 is an apocalyptic number.
189069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
189069 is a deficient number, since it is larger than the sum of its proper divisors (87411).
189069 is a wasteful number, since it uses less digits than its factorization.
189069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160.
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 189069 is about 434.8206526834. The cubic root of 189069 is about 57.3949183505.
It can be divided in two parts, 18906 and 9, that added together give a triangular number (18915 = T194).
The spelling of 189069 in words is "one hundred eighty-nine thousand, sixty-nine".
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