5005985 has 4 divisors (see below), whose sum is σ = 6007188. Its totient is φ = 4004784.

The previous prime is 5005981. The next prime is 5005991. The reversal of 5005985 is 5895005.

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 528529 + 4477456 = 727^2 + 2116^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005985 - 2² = 5005981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5005981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500594 + ... + 500603.

It is an arithmetic number, because the mean of its divisors is an integer number (1501797).

Almost surely, 2^5005985 is an apocalyptic number.

It is an amenable number.

5005985 is a deficient number, since it is larger than the sum of its proper divisors (1001203).

5005985 is a wasteful number, since it uses less digits than its factorization.

5005985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001202.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 5005985 is about 2237.4058639415. The cubic root of 5005985 is about 171.0657955030.

The spelling of 5005985 in words is "five million, five thousand, nine hundred eighty-five".