985383585 has 24 divisors (see below), whose sum is σ = 1708957224. Its totient is φ = 525242880.

The previous prime is 985383583. The next prime is 985383587. The reversal of 985383585 is 585383589.

985383585 is a `hidden beast` number, since 9 + 8 + 53 + 8 + 3 + 585 = 666.

It is an interprime number because it is at equal distance from previous prime (985383583) and next prime (985383587).

It can be written as a sum of positive squares in 4 ways, for example, as 267518736 + 717864849 = 16356^2 + 26793^2 .

It is not a de Polignac number, because 985383585 - 2¹ = 985383583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (985383583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92179 + ... + 102311.

It is an arithmetic number, because the mean of its divisors is an integer number (71206551).

Almost surely, 2^985383585 is an apocalyptic number.

It is an amenable number.

985383585 is a deficient number, since it is larger than the sum of its proper divisors (723573639).

985383585 is a wasteful number, since it uses less digits than its factorization.

985383585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12305 (or 12302 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The square root of 985383585 is about 31390.8200753023. The cubic root of 985383585 is about 995.1039292802.

The spelling of 985383585 in words is "nine hundred eighty-five million, three hundred eighty-three thousand, five hundred eighty-five".