492493 has 4 divisors (see below), whose sum is σ = 493920. Its totient is φ = 491068.

The previous prime is 492491. The next prime is 492511. The reversal of 492493 is 394294.

It is the 287-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 394294 = 2 ⋅197147.

It is a cyclic number.

It is not a de Polignac number, because 492493 - 2¹ = 492491 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

2⁴⁹²⁴⁹³ is an apocalyptic number.

It is an amenable number.

492493 is a deficient number, since it is larger than the sum of its proper divisors (1427).

492493 is an equidigital number, since it uses as much as digits as its factorization.

492493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its digits is 7776, while the sum is 31.

The square root of 492493 is about 701.7784550697. The cubic root of 492493 is about 78.9708272353.

It can be divided in two parts, 492 and 493, that multiplied together give a triangular number (242556 = T₆₉₆).

The spelling of 492493 in words is "four hundred ninety-two thousand, four hundred ninety-three".