4386449985 has 32 divisors (see below), whose sum is σ = 7276203648. Its totient is φ = 2254855680.

The previous prime is 4386449927. The next prime is 4386449987. The reversal of 4386449985 is 5899446834.

It is not a de Polignac number, because 4386449985 - 2¹⁰ = 4386448961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4386449987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8079 + ... + 94011.

It is an arithmetic number, because the mean of its divisors is an integer number (227381364).

Almost surely, 2^4386449985 is an apocalyptic number.

It is an amenable number.

4386449985 is a deficient number, since it is larger than the sum of its proper divisors (2889753663).

4386449985 is a wasteful number, since it uses less digits than its factorization.

4386449985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86065.

The product of its digits is 29859840, while the sum is 60.

The square root of 4386449985 is about 66230.2799707203. The cubic root of 4386449985 is about 1636.9587182864.

The spelling of 4386449985 in words is "four billion, three hundred eighty-six million, four hundred forty-nine thousand, nine hundred eighty-five".