493904493 has 32 divisors (see below), whose sum is σ = 772935680. Its totient is φ = 311214960.

The previous prime is 493904483. The next prime is 493904501. The reversal of 493904493 is 394409394.

It is not a de Polignac number, because 493904493 - 2⁶ = 493904429 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 (493904473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29130 + ... + 42852.

It is an arithmetic number, because the mean of its divisors is an integer number (24154240).

Almost surely, 2^493904493 is an apocalyptic number.

493904493 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

493904493 is a deficient number, since it is larger than the sum of its proper divisors (279031187).

493904493 is a wasteful number, since it uses less digits than its factorization.

493904493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13806 (or 13800 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 493904493 is about 22223.9621354969. The cubic root of 493904493 is about 790.4619916986.

The spelling of 493904493 in words is "four hundred ninety-three million, nine hundred four thousand, four hundred ninety-three".