189412 has 6 divisors (see below), whose sum is σ = 331478. Its totient is φ = 94704.
The previous prime is 189407. The next prime is 189421. The reversal of 189412 is 214981.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 119716 + 69696 = 346^2 + 264^2 .
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
189412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23673 + ... + 23680.
2189412 is an apocalyptic number.
It is an amenable number.
189412 is a deficient number, since it is larger than the sum of its proper divisors (142066).
189412 is a wasteful number, since it uses less digits than its factorization.
189412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47357 (or 47355 counting only the distinct ones).
The product of its digits is 576, while the sum is 25.
The square root of 189412 is about 435.2148894512. The cubic root of 189412 is about 57.4296050949.
The spelling of 189412 in words is "one hundred eighty-nine thousand, four hundred twelve".
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