493485985 has 8 divisors (see below), whose sum is σ = 595190376. Its totient is φ = 392784000.

The previous prime is 493485973. The next prime is 493486027. The reversal of 493485985 is 589584394.

It can be written as a sum of positive squares in 4 ways, for example, as 30547729 + 462938256 = 5527^2 + 21516^2 .

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

It is not a de Polignac number, because 493485985 - 2⁷ = 493485857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249516 + ... + 251485.

It is an arithmetic number, because the mean of its divisors is an integer number (74398797).

Almost surely, 2^493485985 is an apocalyptic number.

It is an amenable number.

493485985 is a deficient number, since it is larger than the sum of its proper divisors (101704391).

493485985 is a wasteful number, since it uses less digits than its factorization.

493485985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501203.

The product of its digits is 6220800, while the sum is 55.

The square root of 493485985 is about 22214.5444472760. The cubic root of 493485985 is about 790.2386636706.

The spelling of 493485985 in words is "four hundred ninety-three million, four hundred eighty-five thousand, nine hundred eighty-five".