491316 has 24 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 140352.

The previous prime is 491299. The next prime is 491327. The reversal of 491316 is 613194.

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 7 ways as a sum of consecutive naturals, for example, 2841 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (54600).

2⁴⁹¹³¹⁶ is an apocalyptic number.

It is an amenable number.

491316 is an abundant number, since it is smaller than the sum of its proper divisors (819084).

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

491316 is a wasteful number, since it uses less digits than its factorization.

491316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5863 (or 5861 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 491316 is about 700.9393697033. The cubic root of 491316 is about 78.9078667414.

The spelling of 491316 in words is "four hundred ninety-one thousand, three hundred sixteen".