491802 has 8 divisors (see below), whose sum is σ = 983616. Its totient is φ = 163932.

The previous prime is 491797. The next prime is 491819. The reversal of 491802 is 208194.

It is a sphenic number, since it is the product of 3 distinct primes.

491802 is an admirable number.

It is a plaindrome in base 15.

It is an unprimeable number.

491802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40978 + ... + 40989.

It is an arithmetic number, because the mean of its divisors is an integer number (122952).

2⁴⁹¹⁸⁰² is an apocalyptic number.

491802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

491802 is a wasteful number, since it uses less digits than its factorization.

491802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81972.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 491802 is about 701.2859616447. The cubic root of 491802 is about 78.9338761972.

Adding to 491802 its reverse (208194), we get a palindrome (699996).

It can be divided in two parts, 4 and 91802, that added together give a triangular number (91806 = T₄₂₈).

The spelling of 491802 in words is "four hundred ninety-one thousand, eight hundred two".