493318512 has 100 divisors (see below), whose sum is σ = 1511863056. Its totient is φ = 154759680.

The previous prime is 493318487. The next prime is 493318517. The reversal of 493318512 is 215813394.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493318517) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10837 + ... + 33227.

Almost surely, 2^493318512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493318512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755931528).

493318512 is an abundant number, since it is smaller than the sum of its proper divisors (1018544544).

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

493318512 is a wasteful number, since it uses less digits than its factorization.

493318512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22428 (or 22413 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 493318512 is about 22210.7746825724. The cubic root of 493318512 is about 790.1492598390.

The spelling of 493318512 in words is "four hundred ninety-three million, three hundred eighteen thousand, five hundred twelve".