494395216 has 40 divisors (see below), whose sum is σ = 1097588480. Its totient is φ = 211330944.

The previous prime is 494395177. The next prime is 494395217. The reversal of 494395216 is 612593494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494395217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38905 + ... + 50023.

It is an arithmetic number, because the mean of its divisors is an integer number (27439712).

Almost surely, 2^494395216 is an apocalyptic number.

It is an amenable number.

494395216 is an abundant number, since it is smaller than the sum of its proper divisors (603193264).

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

494395216 is a wasteful number, since it uses less digits than its factorization.

494395216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531 (or 11525 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 494395216 is about 22234.9997976164. Note that the first 3 decimals coincide. The cubic root of 494395216 is about 790.7236951183.

The spelling of 494395216 in words is "four hundred ninety-four million, three hundred ninety-five thousand, two hundred sixteen".