985964211 has 32 divisors (see below), whose sum is σ = 1478917440. Its totient is φ = 649152000.

The previous prime is 985964209. The next prime is 985964219. The reversal of 985964211 is 112469589.

985964211 is a `hidden beast` number, since 9 + 8 + 596 + 42 + 11 = 666.

It is not a de Polignac number, because 985964211 - 2¹ = 985964209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (985964219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1406161 + ... + 1406861.

It is an arithmetic number, because the mean of its divisors is an integer number (46216170).

Almost surely, 2^985964211 is an apocalyptic number.

985964211 is a deficient number, since it is larger than the sum of its proper divisors (492953229).

985964211 is a wasteful number, since it uses less digits than its factorization.

985964211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1278 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 985964211 is about 31400.0670540685. The cubic root of 985964211 is about 995.2993421042.

The spelling of 985964211 in words is "nine hundred eighty-five million, nine hundred sixty-four thousand, two hundred eleven".