398273341 has 2 divisors, whose sum is σ = 398273342. Its totient is φ = 398273340.

The previous prime is 398273333. The next prime is 398273363. The reversal of 398273341 is 143372893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284765625 + 113507716 = 16875^2 + 10654^2 .

It is a cyclic number.

It is not a de Polignac number, because 398273341 - 2³ = 398273333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398273294 and 398273303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398273311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199136670 + 199136671.

It is an arithmetic number, because the mean of its divisors is an integer number (199136671).

Almost surely, 2^398273341 is an apocalyptic number.

It is an amenable number.

398273341 is a deficient number, since it is larger than the sum of its proper divisors (1).

398273341 is an equidigital number, since it uses as much as digits as its factorization.

398273341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 398273341 is about 19956.7868405713. The cubic root of 398273341 is about 735.7445928975.

The spelling of 398273341 in words is "three hundred ninety-eight million, two hundred seventy-three thousand, three hundred forty-one".