494199784 has 32 divisors (see below), whose sum is σ = 1002960000. Its totient is φ = 226936512.

The previous prime is 494199779. The next prime is 494199791. The reversal of 494199784 is 487991494.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8757 + ... + 32635.

It is an arithmetic number, because the mean of its divisors is an integer number (31342500).

Almost surely, 2^494199784 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 494199784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501480000).

494199784 is an abundant number, since it is smaller than the sum of its proper divisors (508760216).

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

494199784 is a wasteful number, since it uses less digits than its factorization.

494199784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24097 (or 24093 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 494199784 is about 22230.6046701389. The cubic root of 494199784 is about 790.6194916560.

The spelling of 494199784 in words is "four hundred ninety-four million, one hundred ninety-nine thousand, seven hundred eighty-four".