492831 has 8 divisors (see below), whose sum is σ = 730160. Its totient is φ = 328536.

The previous prime is 492799. The next prime is 492839. The reversal of 492831 is 138294.

It is not a de Polignac number, because 492831 - 2⁵ = 492799 is a prime.

It is a super-2 number, since 2×492831² = 485764789122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 18253 = 492831 / (4 + 9 + 2 + 8 + 3 + 1).

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 492795 and 492804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492839) 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 7 ways as a sum of consecutive naturals, for example, 9100 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (91270).

2⁴⁹²⁸³¹ is an apocalyptic number.

492831 is a deficient number, since it is larger than the sum of its proper divisors (237329).

492831 is a wasteful number, since it uses less digits than its factorization.

492831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18262 (or 18256 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 492831 is about 702.0192305058. The cubic root of 492831 is about 78.9888891066.

Subtracting from 492831 its sum of digits (27), we obtain a square (492804 = 702²).

It can be divided in two parts, 49283 and 1, that added together give a square (49284 = 222²).

The spelling of 492831 in words is "four hundred ninety-two thousand, eight hundred thirty-one".