398804327 has 2 divisors, whose sum is σ = 398804328. Its totient is φ = 398804326.

The previous prime is 398804323. The next prime is 398804381. The reversal of 398804327 is 723408893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398804327 - 2² = 398804323 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398804323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199402163 + 199402164.

It is an arithmetic number, because the mean of its divisors is an integer number (199402164).

Almost surely, 2^398804327 is an apocalyptic number.

398804327 is a deficient number, since it is larger than the sum of its proper divisors (1).

398804327 is an equidigital number, since it uses as much as digits as its factorization.

398804327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 398804327 is about 19970.0858035212. The cubic root of 398804327 is about 736.0714175096.

The spelling of 398804327 in words is "three hundred ninety-eight million, eight hundred four thousand, three hundred twenty-seven".