398070319 has 2 divisors, whose sum is σ = 398070320. Its totient is φ = 398070318.

The previous prime is 398070301. The next prime is 398070331. The reversal of 398070319 is 913070893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 398070319 - 2¹⁹ = 397546031 is a prime.

It is a super-2 number, since 2×398070319² = 316919957737523522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398074319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199035159 + 199035160.

It is an arithmetic number, because the mean of its divisors is an integer number (199035160).

Almost surely, 2^398070319 is an apocalyptic number.

398070319 is a deficient number, since it is larger than the sum of its proper divisors (1).

398070319 is an equidigital number, since it uses as much as digits as its factorization.

398070319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 398070319 is about 19951.6996519094. The cubic root of 398070319 is about 735.6195550473.

The spelling of 398070319 in words is "three hundred ninety-eight million, seventy thousand, three hundred nineteen".