378449 has 2 divisors, whose sum is σ = 378450. Its totient is φ = 378448.

The previous prime is 378439. The next prime is 378463. The reversal of 378449 is 944873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368449 + 10000 = 607^2 + 100^2 .

It is an emirp because it is prime and its reverse (944873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378449 - 2⁸ = 378193 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378449.

It is not a weakly prime, because it can be changed into another prime (378439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189224 + 189225.

It is an arithmetic number, because the mean of its divisors is an integer number (189225).

2³⁷⁸⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

378449 is a deficient number, since it is larger than the sum of its proper divisors (1).

378449 is an equidigital number, since it uses as much as digits as its factorization.

378449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 378449 is about 615.1820868653. The cubic root of 378449 is about 72.3328850069.

The spelling of 378449 in words is "three hundred seventy-eight thousand, four hundred forty-nine".