492891 has 16 divisors (see below), whose sum is σ = 768000. Its totient is φ = 281064.

The previous prime is 492883. The next prime is 492893. The reversal of 492891 is 198294.

It is not a de Polignac number, because 492891 - 2³ = 492883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492893) 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 15 ways as a sum of consecutive naturals, for example, 790 + ... + 1268.

It is an arithmetic number, because the mean of its divisors is an integer number (48000).

2⁴⁹²⁸⁹¹ is an apocalyptic number.

492891 is a deficient number, since it is larger than the sum of its proper divisors (275109).

492891 is an equidigital number, since it uses as much as digits as its factorization.

492891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 489 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 492891 is about 702.0619630773. The cubic root of 492891 is about 78.9920944928.

The spelling of 492891 in words is "four hundred ninety-two thousand, eight hundred ninety-one".