492885 has 20 divisors (see below), whose sum is σ = 884268. Its totient is φ = 262656.

The previous prime is 492883. The next prime is 492893. The reversal of 492885 is 588294.

It can be written as a sum of positive squares in 2 ways, for example, as 171396 + 321489 = 414^2 + 567^2 .

It is not a de Polignac number, because 492885 - 2¹ = 492883 is a prime.

It is an Ulam number.

492885 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492883) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 204 + ... + 1013.

2⁴⁹²⁸⁸⁵ is an apocalyptic number.

492885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

492885 is a deficient number, since it is larger than the sum of its proper divisors (391383).

492885 is a wasteful number, since it uses less digits than its factorization.

492885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1225 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 492885 is about 702.0576899372. The cubic root of 492885 is about 78.9917739659.

The spelling of 492885 in words is "four hundred ninety-two thousand, eight hundred eighty-five".