985000319 has 2 divisors, whose sum is σ = 985000320. Its totient is φ = 985000318.

The previous prime is 985000309. The next prime is 985000327. The reversal of 985000319 is 913000589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 985000319 - 2⁸ = 985000063 is a prime.

It is a super-2 number, since 2×985000319² = 1940451256860203522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985000309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492500159 + 492500160.

It is an arithmetic number, because the mean of its divisors is an integer number (492500160).

Almost surely, 2^985000319 is an apocalyptic number.

985000319 is a deficient number, since it is larger than the sum of its proper divisors (1).

985000319 is an equidigital number, since it uses as much as digits as its factorization.

985000319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 985000319 is about 31384.7147350426. The cubic root of 985000319 is about 994.9748969703.

The spelling of 985000319 in words is "nine hundred eighty-five million, three hundred nineteen", and thus it is an aban number.