985452218 has 8 divisors (see below), whose sum is σ = 1478670420. Its totient is φ = 492562080.

The previous prime is 985452217. The next prime is 985452229. The reversal of 985452218 is 812254589.

It can be written as a sum of positive squares in 2 ways, for example, as 972005329 + 13446889 = 31177^2 + 3667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×985452218² = 1942232147922239048, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (985452217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74363 + ... + 86606.

Almost surely, 2^985452218 is an apocalyptic number.

985452218 is a deficient number, since it is larger than the sum of its proper divisors (493218202).

985452218 is a wasteful number, since it uses less digits than its factorization.

985452218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164032.

The product of its digits is 230400, while the sum is 44.

The square root of 985452218 is about 31391.9132580351. The cubic root of 985452218 is about 995.1270320879.

The spelling of 985452218 in words is "nine hundred eighty-five million, four hundred fifty-two thousand, two hundred eighteen".