986322985 has 4 divisors (see below), whose sum is σ = 1183587588. Its totient is φ = 789058384.

The previous prime is 986322971. The next prime is 986322989. The reversal of 986322985 is 589223689.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 427993344 + 558329641 = 20688^2 + 23629^2 .

It is a cyclic number.

It is not a de Polignac number, because 986322985 - 2²¹ = 984225833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986322989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98632294 + ... + 98632303.

It is an arithmetic number, because the mean of its divisors is an integer number (295896897).

Almost surely, 2^986322985 is an apocalyptic number.

It is an amenable number.

986322985 is a deficient number, since it is larger than the sum of its proper divisors (197264603).

986322985 is a wasteful number, since it uses less digits than its factorization.

986322985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197264602.

The product of its digits is 1866240, while the sum is 52.

The square root of 986322985 is about 31405.7794840376. The cubic root of 986322985 is about 995.4200510909.

The spelling of 986322985 in words is "nine hundred eighty-six million, three hundred twenty-two thousand, nine hundred eighty-five".