398303599 has 2 divisors, whose sum is σ = 398303600. Its totient is φ = 398303598.

The previous prime is 398303573. The next prime is 398303629. The reversal of 398303599 is 995303893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398303599 - 2¹³ = 398295407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398303509) 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, 199151799 + 199151800.

It is an arithmetic number, because the mean of its divisors is an integer number (199151800).

Almost surely, 2^398303599 is an apocalyptic number.

398303599 is a deficient number, since it is larger than the sum of its proper divisors (1).

398303599 is an equidigital number, since it uses as much as digits as its factorization.

398303599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 787320, while the sum is 49.

The square root of 398303599 is about 19957.5449141421. The cubic root of 398303599 is about 735.7632246544.

The spelling of 398303599 in words is "three hundred ninety-eight million, three hundred three thousand, five hundred ninety-nine".