378229 has 2 divisors, whose sum is σ = 378230. Its totient is φ = 378228.
The previous prime is 378223. The next prime is 378239. The reversal of 378229 is 922873.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 378225 + 4 = 615^2 + 2^2 .
It is a cyclic number.
It is not a de Polignac number, because 378229 - 27 = 378101 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 378229.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (378223) 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, 189114 + 189115.
It is an arithmetic number, because the mean of its divisors is an integer number (189115).
2378229 is an apocalyptic number.
It is an amenable number.
378229 is a deficient number, since it is larger than the sum of its proper divisors (1).
378229 is an equidigital number, since it uses as much as digits as its factorization.
378229 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6048, while the sum is 31.
The square root of 378229 is about 615.0032520239. The cubic root of 378229 is about 72.3188661041.
Subtracting 378229 from its reverse (922873), we obtain a square (544644 = 7382).
The spelling of 378229 in words is "three hundred seventy-eight thousand, two hundred twenty-nine".
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