493948217 has 4 divisors (see below), whose sum is σ = 564512256. Its totient is φ = 423384180.

The previous prime is 493948201. The next prime is 493948223. The reversal of 493948217 is 712849394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 493948217 - 2⁴ = 493948201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493948237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35282009 + ... + 35282022.

It is an arithmetic number, because the mean of its divisors is an integer number (141128064).

Almost surely, 2^493948217 is an apocalyptic number.

It is an amenable number.

493948217 is a deficient number, since it is larger than the sum of its proper divisors (70564039).

493948217 is an equidigital number, since it uses as much as digits as its factorization.

493948217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70564038.

The product of its digits is 435456, while the sum is 47.

The square root of 493948217 is about 22224.9458267056. The cubic root of 493948217 is about 790.4853168156.

The spelling of 493948217 in words is "four hundred ninety-three million, nine hundred forty-eight thousand, two hundred seventeen".