491876 has 24 divisors (see below), whose sum is σ = 1073856. Its totient is φ = 191520.

The previous prime is 491873. The next prime is 491899. The reversal of 491876 is 678194.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491 + ... + 1106.

It is an arithmetic number, because the mean of its divisors is an integer number (44744).

2⁴⁹¹⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

491876 is an abundant number, since it is smaller than the sum of its proper divisors (581980).

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

491876 is a wasteful number, since it uses less digits than its factorization.

491876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1617 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 491876 is about 701.3387198779. The cubic root of 491876 is about 78.9378349814.

It can be divided in two parts, 4918 and 76, that added together give a palindrome (4994).

The spelling of 491876 in words is "four hundred ninety-one thousand, eight hundred seventy-six".