866224493 has 8 divisors (see below), whose sum is σ = 877977600. Its totient is φ = 854491248.

The previous prime is 866224487. The next prime is 866224529. The reversal of 866224493 is 394422668.

866224493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 866224493 - 2⁸ = 866224237 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 (866224433) 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, 96755 + ... + 105327.

It is an arithmetic number, because the mean of its divisors is an integer number (109747200).

Almost surely, 2^866224493 is an apocalyptic number.

It is an amenable number.

866224493 is a deficient number, since it is larger than the sum of its proper divisors (11753107).

866224493 is a wasteful number, since it uses less digits than its factorization.

866224493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9931.

The product of its digits is 497664, while the sum is 44.

The square root of 866224493 is about 29431.6919833026. The cubic root of 866224493 is about 953.2573294122.

The spelling of 866224493 in words is "eight hundred sixty-six million, two hundred twenty-four thousand, four hundred ninety-three".