493438736 has 40 divisors (see below), whose sum is σ = 1156890240. Its totient is φ = 199033344.

The previous prime is 493438733. The next prime is 493438747. The reversal of 493438736 is 637834394.

It is not an unprimeable number, because it can be changed into a prime (493438733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127676 + ... + 131483.

It is an arithmetic number, because the mean of its divisors is an integer number (28922256).

Almost surely, 2^493438736 is an apocalyptic number.

It is an amenable number.

493438736 is an abundant number, since it is smaller than the sum of its proper divisors (663451504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

493438736 is a wasteful number, since it uses less digits than its factorization.

493438736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259191 (or 259185 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 47.

The square root of 493438736 is about 22213.4809518905. The cubic root of 493438736 is about 790.2134423002.

The spelling of 493438736 in words is "four hundred ninety-three million, four hundred thirty-eight thousand, seven hundred thirty-six".