491502 has 24 divisors (see below), whose sum is σ = 1082088. Its totient is φ = 148720.

The previous prime is 491501. The next prime is 491503. The reversal of 491502 is 205194.

It is an interprime number because it is at equal distance from previous prime (491501) and next prime (491503).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491501) 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, 388 + ... + 1064.

It is an arithmetic number, because the mean of its divisors is an integer number (45087).

2⁴⁹¹⁵⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541044).

491502 is an abundant number, since it is smaller than the sum of its proper divisors (590586).

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

491502 is a wasteful number, since it uses less digits than its factorization.

491502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 491502 is about 701.0720362416. The cubic root of 491502 is about 78.9178230027.

Adding to 491502 its reverse (205194), we get a palindrome (696696).

It can be divided in two parts, 49 and 1502, that added together give a palindrome (1551).

The spelling of 491502 in words is "four hundred ninety-one thousand, five hundred two".