491862 has 32 divisors (see below), whose sum is σ = 1152000. Its totient is φ = 139944.

The previous prime is 491857. The next prime is 491867. The reversal of 491862 is 268194.

It is an interprime number because it is at equal distance from previous prime (491857) and next prime (491867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1939 + ... + 2177.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2⁴⁹¹⁸⁶² is an apocalyptic number.

491862 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 491862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576000).

491862 is an abundant number, since it is smaller than the sum of its proper divisors (660138).

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

491862 is a wasteful number, since it uses less digits than its factorization.

491862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 251 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 491862 is about 701.3287388950. The cubic root of 491862 is about 78.9370860527.

The spelling of 491862 in words is "four hundred ninety-one thousand, eight hundred sixty-two".