398560319 has 2 divisors, whose sum is σ = 398560320. Its totient is φ = 398560318.

The previous prime is 398560297. The next prime is 398560333. The reversal of 398560319 is 913065893.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398560319 is a prime.

It is a super-2 number, since 2×398560319² = 317700655762763522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398560319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398560919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199280159 + 199280160.

It is an arithmetic number, because the mean of its divisors is an integer number (199280160).

Almost surely, 2^398560319 is an apocalyptic number.

398560319 is a deficient number, since it is larger than the sum of its proper divisors (1).

398560319 is an equidigital number, since it uses as much as digits as its factorization.

398560319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 398560319 is about 19963.9755309407. The cubic root of 398560319 is about 735.9212653793.

The spelling of 398560319 in words is "three hundred ninety-eight million, five hundred sixty thousand, three hundred nineteen".