493197321 has 16 divisors (see below), whose sum is σ = 680099328. Its totient is φ = 317587200.

The previous prime is 493197283. The next prime is 493197329. The reversal of 493197321 is 123791394.

It is not a de Polignac number, because 493197321 - 2¹³ = 493189129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493197321.

It is not an unprimeable number, because it can be changed into a prime (493197329) 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, 47041 + ... + 56561.

It is an arithmetic number, because the mean of its divisors is an integer number (42506208).

Almost surely, 2^493197321 is an apocalyptic number.

It is an amenable number.

493197321 is a deficient number, since it is larger than the sum of its proper divisors (186902007).

493197321 is a wasteful number, since it uses less digits than its factorization.

493197321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112.

The product of its digits is 40824, while the sum is 39.

The square root of 493197321 is about 22208.0463120915. The cubic root of 493197321 is about 790.0845505831.

The spelling of 493197321 in words is "four hundred ninety-three million, one hundred ninety-seven thousand, three hundred twenty-one".