398347 has 2 divisors, whose sum is σ = 398348. Its totient is φ = 398346.

The previous prime is 398341. The next prime is 398353. The reversal of 398347 is 743893.

It is a balanced prime because it is at equal distance from previous prime (398341) and next prime (398353).

It is a cyclic number.

It is not a de Polignac number, because 398347 - 2³ = 398339 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398347.

It is not a weakly prime, because it can be changed into another prime (398341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199173 + 199174.

It is an arithmetic number, because the mean of its divisors is an integer number (199174).

2³⁹⁸³⁴⁷ is an apocalyptic number.

398347 is a deficient number, since it is larger than the sum of its proper divisors (1).

398347 is an equidigital number, since it uses as much as digits as its factorization.

398347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 398347 is about 631.1473678944. The cubic root of 398347 is about 73.5789947737.

The spelling of 398347 in words is "three hundred ninety-eight thousand, three hundred forty-seven".