493811316 has 30 divisors (see below), whose sum is σ = 1290921170. Its totient is φ = 164603664.

The previous prime is 493811309. The next prime is 493811363. The reversal of 493811316 is 613118394.

It can be written as a sum of positive squares in only one way, i.e., 407878416 + 85932900 = 20196^2 + 9270^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 761731 + ... + 762378.

Almost surely, 2^493811316 is an apocalyptic number.

It is an amenable number.

493811316 is an abundant number, since it is smaller than the sum of its proper divisors (797109854).

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

493811316 is a wasteful number, since it uses less digits than its factorization.

493811316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524125 (or 1524114 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 493811316 is about 22221.8657182515. The cubic root of 493811316 is about 790.4122806646.

The spelling of 493811316 in words is "four hundred ninety-three million, eight hundred eleven thousand, three hundred sixteen".