490535985 has 8 divisors (see below), whose sum is σ = 784857600. Its totient is φ = 261619184.

The previous prime is 490535963. The next prime is 490535989. The reversal of 490535985 is 589535094.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490535985 - 2⁸ = 490535729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490535989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16351185 + ... + 16351214.

It is an arithmetic number, because the mean of its divisors is an integer number (98107200).

Almost surely, 2^490535985 is an apocalyptic number.

It is an amenable number.

490535985 is a deficient number, since it is larger than the sum of its proper divisors (294321615).

490535985 is a wasteful number, since it uses less digits than its factorization.

490535985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32702407.

The product of its (nonzero) digits is 972000, while the sum is 48.

The square root of 490535985 is about 22148.0469793614. The cubic root of 490535985 is about 788.6608648833.

The spelling of 490535985 in words is "four hundred ninety million, five hundred thirty-five thousand, nine hundred eighty-five".