398267 has 2 divisors, whose sum is σ = 398268. Its totient is φ = 398266.

The previous prime is 398261. The next prime is 398273. The reversal of 398267 is 762893.

It is a balanced prime because it is at equal distance from previous prime (398261) and next prime (398273).

It is an emirp because it is prime and its reverse (762893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 398267 - 2⁸ = 398011 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3⁴ + 9² + 2⁹ + 8 + 6⁷ + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (398261) 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, 199133 + 199134.

It is an arithmetic number, because the mean of its divisors is an integer number (199134).

2³⁹⁸²⁶⁷ is an apocalyptic number.

398267 is a deficient number, since it is larger than the sum of its proper divisors (1).

398267 is an equidigital number, since it uses as much as digits as its factorization.

398267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 398267 is about 631.0839880713. The cubic root of 398267 is about 73.5740688225.

The spelling of 398267 in words is "three hundred ninety-eight thousand, two hundred sixty-seven".