398282803 has 2 divisors, whose sum is σ = 398282804. Its totient is φ = 398282802.

The previous prime is 398282791. The next prime is 398282827. The reversal of 398282803 is 308282893.

It is a weak prime.

It is an emirp because it is prime and its reverse (308282893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 398282803 - 2⁵ = 398282771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398282803.

It is not a weakly prime, because it can be changed into another prime (398282303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199141401 + 199141402.

It is an arithmetic number, because the mean of its divisors is an integer number (199141402).

Almost surely, 2^398282803 is an apocalyptic number.

398282803 is a deficient number, since it is larger than the sum of its proper divisors (1).

398282803 is an equidigital number, since it uses as much as digits as its factorization.

398282803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 398282803 is about 19957.0239013737. The cubic root of 398282803 is about 735.7504193484.

The spelling of 398282803 in words is "three hundred ninety-eight million, two hundred eighty-two thousand, eight hundred three".