398545067 has 2 divisors, whose sum is σ = 398545068. Its totient is φ = 398545066.

The previous prime is 398545031. The next prime is 398545073. The reversal of 398545067 is 760545893.

It is a strong prime.

It is an emirp because it is prime and its reverse (760545893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 398545067 - 2⁶ = 398545003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (398545267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199272533 + 199272534.

It is an arithmetic number, because the mean of its divisors is an integer number (199272534).

Almost surely, 2^398545067 is an apocalyptic number.

398545067 is a deficient number, since it is larger than the sum of its proper divisors (1).

398545067 is an equidigital number, since it uses as much as digits as its factorization.

398545067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 398545067 is about 19963.5935392404. The cubic root of 398545067 is about 735.9118779134.

The spelling of 398545067 in words is "three hundred ninety-eight million, five hundred forty-five thousand, sixty-seven".