378289 has 2 divisors, whose sum is σ = 378290. Its totient is φ = 378288.

The previous prime is 378283. The next prime is 378317. The reversal of 378289 is 982873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 64 = 615^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 378289 - 2¹¹ = 376241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (378283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189144 + 189145.

It is an arithmetic number, because the mean of its divisors is an integer number (189145).

2³⁷⁸²⁸⁹ is an apocalyptic number.

It is an amenable number.

378289 is a deficient number, since it is larger than the sum of its proper divisors (1).

378289 is an equidigital number, since it uses as much as digits as its factorization.

378289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 378289 is about 615.0520303194. The cubic root of 378289 is about 72.3226899802.

The spelling of 378289 in words is "three hundred seventy-eight thousand, two hundred eighty-nine".