493965018 has 48 divisors (see below), whose sum is σ = 1100286720. Its totient is φ = 160082208.

The previous prime is 493965011. The next prime is 493965029. The reversal of 493965018 is 810569394.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (493965011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130963 + ... + 134681.

It is an arithmetic number, because the mean of its divisors is an integer number (22922640).

Almost surely, 2^493965018 is an apocalyptic number.

493965018 is an abundant number, since it is smaller than the sum of its proper divisors (606321702).

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

493965018 is a wasteful number, since it uses less digits than its factorization.

493965018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931 (or 3928 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 493965018 is about 22225.3237996660. The cubic root of 493965018 is about 790.4942791540.

The spelling of 493965018 in words is "four hundred ninety-three million, nine hundred sixty-five thousand, eighteen".