985052217 has 16 divisors (see below), whose sum is σ = 1351038528. Its totient is φ = 638143680.

The previous prime is 985052203. The next prime is 985052239. The reversal of 985052217 is 712250589.

It is not a de Polignac number, because 985052217 - 2¹¹ = 985050169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (985052297) 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 15 ways as a sum of consecutive naturals, for example, 17238 + ... + 47615.

It is an arithmetic number, because the mean of its divisors is an integer number (84439908).

Almost surely, 2^985052217 is an apocalyptic number.

It is an amenable number.

985052217 is a deficient number, since it is larger than the sum of its proper divisors (365986311).

985052217 is a wasteful number, since it uses less digits than its factorization.

985052217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65000.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 985052217 is about 31385.5415279074. The cubic root of 985052217 is about 994.9923711779.

The spelling of 985052217 in words is "nine hundred eighty-five million, fifty-two thousand, two hundred seventeen".