491596 has 24 divisors (see below), whose sum is σ = 998816. Its totient is φ = 207360.

The previous prime is 491593. The next prime is 491611. The reversal of 491596 is 695194.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (491591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2626 + ... + 2806.

2⁴⁹¹⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

491596 is an abundant number, since it is smaller than the sum of its proper divisors (507220).

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

491596 is a wasteful number, since it uses less digits than its factorization.

491596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 287 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 491596 is about 701.1390732230. The cubic root of 491596 is about 78.9228537062.

The spelling of 491596 in words is "four hundred ninety-one thousand, five hundred ninety-six".