5780985 has 16 divisors (see below), whose sum is σ = 10571136. Its totient is φ = 2642688.

The previous prime is 5780939. The next prime is 5780987. The reversal of 5780985 is 5890875.

It is not a de Polignac number, because 5780985 - 2⁷ = 5780857 is a prime.

It is a Curzon number.

5780985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5780987) 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 15 ways as a sum of consecutive naturals, for example, 27424 + ... + 27633.

It is an arithmetic number, because the mean of its divisors is an integer number (660696).

Almost surely, 2^5780985 is an apocalyptic number.

It is an amenable number.

5780985 is a deficient number, since it is larger than the sum of its proper divisors (4790151).

5780985 is a wasteful number, since it uses less digits than its factorization.

5780985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55072.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 5780985 is about 2404.3679003014. The cubic root of 5780985 is about 179.4736164904.

The spelling of 5780985 in words is "five million, seven hundred eighty thousand, nine hundred eighty-five".