493179217 has 8 divisors (see below), whose sum is σ = 511280640. Its totient is φ = 475214880.

The previous prime is 493179199. The next prime is 493179221. The reversal of 493179217 is 712971394.

It is a happy number.

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 493179217 - 2²³ = 484790609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493179517) 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, 26917 + ... + 41362.

It is an arithmetic number, because the mean of its divisors is an integer number (63910080).

Almost surely, 2^493179217 is an apocalyptic number.

It is an amenable number.

493179217 is a deficient number, since it is larger than the sum of its proper divisors (18101423).

493179217 is a wasteful number, since it uses less digits than its factorization.

493179217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68543.

The product of its digits is 95256, while the sum is 43.

The square root of 493179217 is about 22207.6387083364. The cubic root of 493179217 is about 790.0748831436.

It can be divided in two parts, 4931 and 79217, that added together give a palindrome (84148).

The spelling of 493179217 in words is "four hundred ninety-three million, one hundred seventy-nine thousand, two hundred seventeen".