985930219 has 2 divisors, whose sum is σ = 985930220. Its totient is φ = 985930218.

The previous prime is 985930151. The next prime is 985930229. The reversal of 985930219 is 912039589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 985930219 - 2¹¹ = 985928171 is a prime.

It is a super-2 number, since 2×985930219² = 1944116793474775922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (985930229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492965109 + 492965110.

It is an arithmetic number, because the mean of its divisors is an integer number (492965110).

Almost surely, 2^985930219 is an apocalyptic number.

985930219 is a deficient number, since it is larger than the sum of its proper divisors (1).

985930219 is an equidigital number, since it uses as much as digits as its factorization.

985930219 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 46.

The square root of 985930219 is about 31399.5257766738. The cubic root of 985930219 is about 995.2879040271.

The spelling of 985930219 in words is "nine hundred eighty-five million, nine hundred thirty thousand, two hundred nineteen".