492813 has 12 divisors (see below), whose sum is σ = 753948. Its totient is φ = 309120.

The previous prime is 492799. The next prime is 492839. The reversal of 492813 is 318294.

It can be written as a sum of positive squares in 2 ways, for example, as 381924 + 110889 = 618^2 + 333^2 .

It is not a de Polignac number, because 492813 - 2⁵ = 492781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492853) 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, 1458 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (62829).

2⁴⁹²⁸¹³ is an apocalyptic number.

It is an amenable number.

492813 is a deficient number, since it is larger than the sum of its proper divisors (261135).

492813 is a wasteful number, since it uses less digits than its factorization.

492813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244 (or 3241 counting only the distinct ones).

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

The square root of 492813 is about 702.0064102271. The cubic root of 492813 is about 78.9879274400.

It can be divided in two parts, 49281 and 3, that added together give a square (49284 = 222²).

The spelling of 492813 in words is "four hundred ninety-two thousand, eight hundred thirteen".