493626816 has 84 divisors (see below), whose sum is σ = 1419648672. Its totient is φ = 163989504.

The previous prime is 493626811. The next prime is 493626871. The reversal of 493626816 is 618626394.

493626816 is a `hidden beast` number, since 4 + 9 + 3 + 626 + 8 + 16 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493626811) 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 11 ways as a sum of consecutive naturals, for example, 192841 + ... + 195383.

Almost surely, 2^493626816 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 493626816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709824336).

493626816 is an abundant number, since it is smaller than the sum of its proper divisors (926021856).

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

493626816 is a wasteful number, since it uses less digits than its factorization.

493626816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2885 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 493626816 is about 22217.7140138224. The cubic root of 493626816 is about 790.3138292745.

The spelling of 493626816 in words is "four hundred ninety-three million, six hundred twenty-six thousand, eight hundred sixteen".