493929393 has 16 divisors (see below), whose sum is σ = 693888000. Its totient is φ = 311907024.

The previous prime is 493929367. The next prime is 493929437. The reversal of 493929393 is 393929394.

It is not a de Polignac number, because 493929393 - 2¹⁸ = 493667249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493929353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27643 + ... + 41856.

It is an arithmetic number, because the mean of its divisors is an integer number (43368000).

Almost surely, 2^493929393 is an apocalyptic number.

It is an amenable number.

493929393 is a deficient number, since it is larger than the sum of its proper divisors (199958607).

493929393 is a wasteful number, since it uses less digits than its factorization.

493929393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69628.

The product of its digits is 1417176, while the sum is 51.

The square root of 493929393 is about 22224.5223345745. The cubic root of 493929393 is about 790.4752750851.

Subtracting from 493929393 its reverse (393929394), we obtain a palindrome (99999999).

It can be divided in two parts, 49392 and 9393, that added together give a palindrome (58785).

The spelling of 493929393 in words is "four hundred ninety-three million, nine hundred twenty-nine thousand, three hundred ninety-three".