491834 has 24 divisors (see below), whose sum is σ = 908640. Its totient is φ = 195048.

The previous prime is 491833. The next prime is 491837. The reversal of 491834 is 438194.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 491797 and 491806.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 491834.

It is not an unprimeable number, because it can be changed into a prime (491833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11417 + ... + 11459.

It is an arithmetic number, because the mean of its divisors is an integer number (37860).

2⁴⁹¹⁸³⁴ is an apocalyptic number.

491834 is a deficient number, since it is larger than the sum of its proper divisors (416806).

491834 is a wasteful number, since it uses less digits than its factorization.

491834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 71 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 491834 is about 701.3087765029. The cubic root of 491834 is about 78.9355881526.

The spelling of 491834 in words is "four hundred ninety-one thousand, eight hundred thirty-four".