398227 has 2 divisors, whose sum is σ = 398228. Its totient is φ = 398226.

The previous prime is 398219. The next prime is 398249. The reversal of 398227 is 722893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398227 - 2³ = 398219 is a prime.

It is not a weakly prime, because it can be changed into another prime (398207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199113 + 199114.

It is an arithmetic number, because the mean of its divisors is an integer number (199114).

2³⁹⁸²²⁷ is an apocalyptic number.

398227 is a deficient number, since it is larger than the sum of its proper divisors (1).

398227 is an equidigital number, since it uses as much as digits as its factorization.

398227 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 398227 is about 631.0522957727. The cubic root of 398227 is about 73.5716055995.

It can be divided in two parts, 398 and 227, that added together give a 4-th power (625 = 5⁴).

The spelling of 398227 in words is "three hundred ninety-eight thousand, two hundred twenty-seven".