398600633 has 2 divisors, whose sum is σ = 398600634. Its totient is φ = 398600632.

The previous prime is 398600617. The next prime is 398600687. The reversal of 398600633 is 336006893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295943209 + 102657424 = 17203^2 + 10132^2 .

It is an emirp because it is prime and its reverse (336006893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 398600633 - 2⁴ = 398600617 is a prime.

It is not a weakly prime, because it can be changed into another prime (398600693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199300316 + 199300317.

It is an arithmetic number, because the mean of its divisors is an integer number (199300317).

Almost surely, 2^398600633 is an apocalyptic number.

It is an amenable number.

398600633 is a deficient number, since it is larger than the sum of its proper divisors (1).

398600633 is an equidigital number, since it uses as much as digits as its factorization.

398600633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 398600633 is about 19964.9851740491. The cubic root of 398600633 is about 735.9460771232.

The spelling of 398600633 in words is "three hundred ninety-eight million, six hundred thousand, six hundred thirty-three".