494486784 has 216 divisors, whose sum is σ = 1578376800. Its totient is φ = 147640320.

The previous prime is 494486777. The next prime is 494486849. The reversal of 494486784 is 487684494.

494486784 is a `hidden beast` number, since 4 + 94 + 486 + 78 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 494486784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2762407 + ... + 2762585.

It is an arithmetic number, because the mean of its divisors is an integer number (7307300).

Almost surely, 2^494486784 is an apocalyptic number.

494486784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494486784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789188400).

494486784 is an abundant number, since it is smaller than the sum of its proper divisors (1083890016).

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

494486784 is a wasteful number, since it uses less digits than its factorization.

494486784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 304 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The square root of 494486784 is about 22237.0587983213. The cubic root of 494486784 is about 790.7725093161.

The spelling of 494486784 in words is "four hundred ninety-four million, four hundred eighty-six thousand, seven hundred eighty-four".