491068 has 12 divisors (see below), whose sum is σ = 864360. Its totient is φ = 244112.

The previous prime is 491059. The next prime is 491081. The reversal of 491068 is 860194.

It is a super-2 number, since 2×491068² = 482295561248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (72030).

2⁴⁹¹⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

491068 is a deficient number, since it is larger than the sum of its proper divisors (373292).

491068 is a wasteful number, since it uses less digits than its factorization.

491068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 491068 is about 700.7624419159. The cubic root of 491068 is about 78.8945878167.

The spelling of 491068 in words is "four hundred ninety-one thousand, sixty-eight".