494391072 has 192 divisors, whose sum is σ = 1602478080. Its totient is φ = 130335744.

The previous prime is 494391067. The next prime is 494391097. The reversal of 494391072 is 270193494.

It is a self number, because there is not a number n which added to its sum of digits gives 494391072.

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 31 ways as a sum of consecutive naturals, for example, 447673 + ... + 448775.

It is an arithmetic number, because the mean of its divisors is an integer number (8346240).

Almost surely, 2^494391072 is an apocalyptic number.

494391072 is a gapful number since it is divisible by the number (42) 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 494391072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801239040).

494391072 is an abundant number, since it is smaller than the sum of its proper divisors (1108087008).

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

494391072 is a wasteful number, since it uses less digits than its factorization.

494391072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 494391072 is about 22234.9066110024. The cubic root of 494391072 is about 790.7214858411.

The spelling of 494391072 in words is "four hundred ninety-four million, three hundred ninety-one thousand, seventy-two".