493221311 has 8 divisors (see below), whose sum is σ = 538261200. Its totient is φ = 448215040.

The previous prime is 493221277. The next prime is 493221317. The reversal of 493221311 is 113122394.

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 493221311 - 2¹⁸ = 492959167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493221317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29885 + ... + 43353.

It is an arithmetic number, because the mean of its divisors is an integer number (67282650).

Almost surely, 2^493221311 is an apocalyptic number.

493221311 is a deficient number, since it is larger than the sum of its proper divisors (45039889).

493221311 is a wasteful number, since it uses less digits than its factorization.

493221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16809.

The product of its digits is 1296, while the sum is 26.

The square root of 493221311 is about 22208.5864250744. The cubic root of 493221311 is about 790.0973607507.

The spelling of 493221311 in words is "four hundred ninety-three million, two hundred twenty-one thousand, three hundred eleven".