493798393 has 8 divisors (see below), whose sum is σ = 544023936. Its totient is φ = 444462000.

The previous prime is 493798387. The next prime is 493798421. The reversal of 493798393 is 393897394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493798393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493798313) 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 7 ways as a sum of consecutive naturals, for example, 221121 + ... + 223342.

It is an arithmetic number, because the mean of its divisors is an integer number (68002992).

Almost surely, 2^493798393 is an apocalyptic number.

It is an amenable number.

493798393 is a deficient number, since it is larger than the sum of its proper divisors (50225543).

493798393 is a wasteful number, since it uses less digits than its factorization.

493798393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444575.

The product of its digits is 4408992, while the sum is 55.

The square root of 493798393 is about 22221.5749441843. The cubic root of 493798393 is about 790.4053855972.

Subtracting from 493798393 its reverse (393897394), we obtain a palindrome (99900999).

The spelling of 493798393 in words is "four hundred ninety-three million, seven hundred ninety-eight thousand, three hundred ninety-three".