491733 has 12 divisors (see below), whose sum is σ = 775008. Its totient is φ = 297960.

The previous prime is 491731. The next prime is 491737. The reversal of 491733 is 337194.

It is not a de Polignac number, because 491733 - 2¹ = 491731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 491697 and 491706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491731) 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, 2385 + ... + 2582.

It is an arithmetic number, because the mean of its divisors is an integer number (64584).

2⁴⁹¹⁷³³ is an apocalyptic number.

It is an amenable number.

491733 is a deficient number, since it is larger than the sum of its proper divisors (283275).

491733 is a wasteful number, since it uses less digits than its factorization.

491733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984 (or 4981 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 491733 is about 701.2367645810. The cubic root of 491733 is about 78.9301845407.

It can be divided in two parts, 4917 and 33, that multiplied together give a palindrome (162261).

The spelling of 491733 in words is "four hundred ninety-one thousand, seven hundred thirty-three".