493562861 has 16 divisors (see below), whose sum is σ = 562550400. Its totient is φ = 428904000.

The previous prime is 493562851. The next prime is 493562863. The reversal of 493562861 is 168265394.

It is a cyclic number.

It is not a de Polignac number, because 493562861 - 2¹⁴ = 493546477 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 (493562863) 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 15 ways as a sum of consecutive naturals, for example, 24560 + ... + 39878.

It is an arithmetic number, because the mean of its divisors is an integer number (35159400).

Almost surely, 2^493562861 is an apocalyptic number.

It is an amenable number.

493562861 is a deficient number, since it is larger than the sum of its proper divisors (68987539).

493562861 is a wasteful number, since it uses less digits than its factorization.

493562861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15460.

The product of its digits is 311040, while the sum is 44.

The square root of 493562861 is about 22216.2746877149. The cubic root of 493562861 is about 790.2796964017.

The spelling of 493562861 in words is "four hundred ninety-three million, five hundred sixty-two thousand, eight hundred sixty-one".