491382608 has 10 divisors (see below), whose sum is σ = 952053834. Its totient is φ = 245691296.

The previous prime is 491382589. The next prime is 491382613. The reversal of 491382608 is 806283194.

It can be written as a sum of positive squares in only one way, i.e., 477335104 + 14047504 = 21848^2 + 3748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15355691 + ... + 15355722.

Almost surely, 2^491382608 is an apocalyptic number.

It is an amenable number.

491382608 is a deficient number, since it is larger than the sum of its proper divisors (460671226).

491382608 is a wasteful number, since it uses less digits than its factorization.

491382608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30711421 (or 30711415 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 491382608 is about 22167.1515535939. The cubic root of 491382608 is about 789.1143244226.

The spelling of 491382608 in words is "four hundred ninety-one million, three hundred eighty-two thousand, six hundred eight".