493221085 has 48 divisors (see below), whose sum is σ = 749177856. Its totient is φ = 304280064.

The previous prime is 493221083. The next prime is 493221139. The reversal of 493221085 is 580122394.

It is not a de Polignac number, because 493221085 - 2¹ = 493221083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493221085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493221083) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 313972 + ... + 315538.

It is an arithmetic number, because the mean of its divisors is an integer number (15607872).

Almost surely, 2^493221085 is an apocalyptic number.

It is an amenable number.

493221085 is a deficient number, since it is larger than the sum of its proper divisors (255956771).

493221085 is a wasteful number, since it uses less digits than its factorization.

493221085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 493221085 is about 22208.5813369517. The cubic root of 493221085 is about 790.0972400733.

The spelling of 493221085 in words is "four hundred ninety-three million, two hundred twenty-one thousand, eighty-five".