492289 has 4 divisors (see below), whose sum is σ = 562624. Its totient is φ = 421956.

The previous prime is 492281. The next prime is 492293. The reversal of 492289 is 982294.

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.

It is a cyclic number.

It is not a de Polignac number, because 492289 - 2³ = 492281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35157 + ... + 35170.

It is an arithmetic number, because the mean of its divisors is an integer number (140656).

2⁴⁹²²⁸⁹ is an apocalyptic number.

It is an amenable number.

492289 is a deficient number, since it is larger than the sum of its proper divisors (70335).

492289 is an equidigital number, since it uses as much as digits as its factorization.

492289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70334.

The product of its digits is 10368, while the sum is 34.

The square root of 492289 is about 701.6330950005. The cubic root of 492289 is about 78.9599219881.

The spelling of 492289 in words is "four hundred ninety-two thousand, two hundred eighty-nine".